19894896

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 71495424

約数和(自身を除く): 51600528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 34, 36, 42, 43, 48, 51, 54, 56, 63, 68, 72, 81, 84, 86, 102, 108, 112, 119, 126, 129, 136, 144, 153, 162, 168, 172, 189, 204, 216, 238, 243, 252, 258, 272, 301, 306, 324, 336, 344, 357, 378, 387, 408, 432, 459, 476, 486, 504, 516, 567, 602, 612, 648, 688, 714, 731, 756, 774, 816, 903, 918, 952, 972, 1008, 1032, 1071, 1134, 1161, 1204, 1224, 1296, 1377, 1428, 1462, 1512, 1548, 1701, 1806, 1836, 1904, 1944, 2064, 2142, 2193, 2268, 2322, 2408, 2448, 2709, 2754, 2856, 2924, 3024, 3096, 3213, 3402, 3483, 3612, 3672, 3888, 4131, 4284, 4386, 4536, 4644, 4816, 5117, 5418, 5508, 5712, 5848, 6192, 6426, 6579, 6804, 6966, 7224, 7344, 8127, 8262, 8568, 8772, 9072, 9288, 9639, 10234, 10449, 10836, 11016, 11696, 12852, 13158, 13608, 13932, 14448, 15351, 16254, 16524, 17136, 17544, 18576, 19278, 19737, 20468, 20898, 21672, 22032, 24381, 25704, 26316, 27216, 27864, 28917, 30702, 32508, 33048, 35088, 38556, 39474, 40936, 41796, 43344, 46053, 48762, 51408, 52632, 55728, 57834, 59211, 61404, 65016, 66096, 73143, 77112, 78948, 81872, 83592, 92106, 97524, 105264, 115668, 118422, 122808, 130032, 138159, 146286, 154224, 157896, 167184, 177633, 184212, 195048, 231336, 236844, 245616, 276318, 292572, 315792, 355266, 368424, 390096, 414477, 462672, 473688, 552636, 585144, 710532, 736848, 828954, 947376, 1105272, 1170288, 1243431, 1421064, 1657908, 2210544, 2486862, 2842128, 3315816, 4973724, 6631632, 9947448, 19894896]

約数ペア:

[(1, 19894896), (2, 9947448), (3, 6631632), (4, 4973724), (6, 3315816), (7, 2842128), (8, 2486862), (9, 2210544), (12, 1657908), (14, 1421064), (16, 1243431), (17, 1170288), (18, 1105272), (21, 947376), (24, 828954), (27, 736848), (28, 710532), (34, 585144), (36, 552636), (42, 473688), (43, 462672), (48, 414477), (51, 390096), (54, 368424), (56, 355266), (63, 315792), (68, 292572), (72, 276318), (81, 245616), (84, 236844), (86, 231336), (102, 195048), (108, 184212), (112, 177633), (119, 167184), (126, 157896), (129, 154224), (136, 146286), (144, 138159), (153, 130032), (162, 122808), (168, 118422), (172, 115668), (189, 105264), (204, 97524), (216, 92106), (238, 83592), (243, 81872), (252, 78948), (258, 77112), (272, 73143), (301, 66096), (306, 65016), (324, 61404), (336, 59211), (344, 57834), (357, 55728), (378, 52632), (387, 51408), (408, 48762), (432, 46053), (459, 43344), (476, 41796), (486, 40936), (504, 39474), (516, 38556), (567, 35088), (602, 33048), (612, 32508), (648, 30702), (688, 28917), (714, 27864), (731, 27216), (756, 26316), (774, 25704), (816, 24381), (903, 22032), (918, 21672), (952, 20898), (972, 20468), (1008, 19737), (1032, 19278), (1071, 18576), (1134, 17544), (1161, 17136), (1204, 16524), (1224, 16254), (1296, 15351), (1377, 14448), (1428, 13932), (1462, 13608), (1512, 13158), (1548, 12852), (1701, 11696), (1806, 11016), (1836, 10836), (1904, 10449), (1944, 10234), (2064, 9639), (2142, 9288), (2193, 9072), (2268, 8772), (2322, 8568), (2408, 8262), (2448, 8127), (2709, 7344), (2754, 7224), (2856, 6966), (2924, 6804), (3024, 6579), (3096, 6426), (3213, 6192), (3402, 5848), (3483, 5712), (3612, 5508), (3672, 5418), (3888, 5117), (4131, 4816), (4284, 4644), (4386, 4536)]