19854912

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 224

約数和(自身を含む): 70225920

約数和(自身を除く): 50371008

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 32, 33, 34, 42, 44, 48, 51, 56, 64, 66, 68, 77, 79, 84, 88, 96, 102, 112, 119, 132, 136, 154, 158, 168, 176, 187, 192, 204, 224, 231, 237, 238, 264, 272, 308, 316, 336, 352, 357, 374, 408, 448, 462, 474, 476, 528, 544, 553, 561, 616, 632, 672, 704, 714, 748, 816, 869, 924, 948, 952, 1056, 1088, 1106, 1122, 1232, 1264, 1309, 1343, 1344, 1428, 1496, 1632, 1659, 1738, 1848, 1896, 1904, 2112, 2212, 2244, 2464, 2528, 2607, 2618, 2686, 2856, 2992, 3264, 3318, 3476, 3696, 3792, 3808, 3927, 4029, 4424, 4488, 4928, 5056, 5214, 5236, 5372, 5712, 5984, 6083, 6636, 6952, 7392, 7584, 7616, 7854, 8058, 8848, 8976, 9401, 10428, 10472, 10744, 11424, 11968, 12166, 13272, 13904, 14773, 14784, 15168, 15708, 16116, 17696, 17952, 18249, 18802, 20856, 20944, 21488, 22848, 24332, 26544, 27808, 28203, 29546, 31416, 32232, 35392, 35904, 36498, 37604, 41712, 41888, 42976, 44319, 48664, 53088, 55616, 56406, 59092, 62832, 64464, 72996, 75208, 83424, 83776, 85952, 88638, 97328, 103411, 106176, 112812, 118184, 125664, 128928, 145992, 150416, 166848, 177276, 194656, 206822, 225624, 236368, 251328, 257856, 291984, 300832, 310233, 354552, 389312, 413644, 451248, 472736, 583968, 601664, 620466, 709104, 827288, 902496, 945472, 1167936, 1240932, 1418208, 1654576, 1804992, 2481864, 2836416, 3309152, 4963728, 6618304, 9927456, 19854912]

約数ペア:

[(1, 19854912), (2, 9927456), (3, 6618304), (4, 4963728), (6, 3309152), (7, 2836416), (8, 2481864), (11, 1804992), (12, 1654576), (14, 1418208), (16, 1240932), (17, 1167936), (21, 945472), (22, 902496), (24, 827288), (28, 709104), (32, 620466), (33, 601664), (34, 583968), (42, 472736), (44, 451248), (48, 413644), (51, 389312), (56, 354552), (64, 310233), (66, 300832), (68, 291984), (77, 257856), (79, 251328), (84, 236368), (88, 225624), (96, 206822), (102, 194656), (112, 177276), (119, 166848), (132, 150416), (136, 145992), (154, 128928), (158, 125664), (168, 118184), (176, 112812), (187, 106176), (192, 103411), (204, 97328), (224, 88638), (231, 85952), (237, 83776), (238, 83424), (264, 75208), (272, 72996), (308, 64464), (316, 62832), (336, 59092), (352, 56406), (357, 55616), (374, 53088), (408, 48664), (448, 44319), (462, 42976), (474, 41888), (476, 41712), (528, 37604), (544, 36498), (553, 35904), (561, 35392), (616, 32232), (632, 31416), (672, 29546), (704, 28203), (714, 27808), (748, 26544), (816, 24332), (869, 22848), (924, 21488), (948, 20944), (952, 20856), (1056, 18802), (1088, 18249), (1106, 17952), (1122, 17696), (1232, 16116), (1264, 15708), (1309, 15168), (1343, 14784), (1344, 14773), (1428, 13904), (1496, 13272), (1632, 12166), (1659, 11968), (1738, 11424), (1848, 10744), (1896, 10472), (1904, 10428), (2112, 9401), (2212, 8976), (2244, 8848), (2464, 8058), (2528, 7854), (2607, 7616), (2618, 7584), (2686, 7392), (2856, 6952), (2992, 6636), (3264, 6083), (3318, 5984), (3476, 5712), (3696, 5372), (3792, 5236), (3808, 5214), (3927, 5056), (4029, 4928), (4424, 4488)]