19817784

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 67430880

約数和(自身を除く): 47613096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 81, 84, 102, 108, 119, 126, 136, 153, 162, 168, 189, 204, 216, 238, 252, 257, 306, 324, 357, 378, 408, 459, 476, 504, 514, 567, 612, 648, 714, 756, 771, 918, 952, 1028, 1071, 1134, 1224, 1377, 1428, 1512, 1542, 1799, 1836, 2056, 2142, 2268, 2313, 2754, 2856, 3084, 3213, 3598, 3672, 4284, 4369, 4536, 4626, 5397, 5508, 6168, 6426, 6939, 7196, 8568, 8738, 9252, 9639, 10794, 11016, 12852, 13107, 13878, 14392, 16191, 17476, 18504, 19278, 20817, 21588, 25704, 26214, 27756, 30583, 32382, 34952, 38556, 39321, 41634, 43176, 48573, 52428, 55512, 61166, 64764, 77112, 78642, 83268, 91749, 97146, 104856, 117963, 122332, 129528, 145719, 157284, 166536, 183498, 194292, 235926, 244664, 275247, 291438, 314568, 353889, 366996, 388584, 471852, 550494, 582876, 707778, 733992, 825741, 943704, 1100988, 1165752, 1415556, 1651482, 2201976, 2477223, 2831112, 3302964, 4954446, 6605928, 9908892, 19817784]

約数ペア:

[(1, 19817784), (2, 9908892), (3, 6605928), (4, 4954446), (6, 3302964), (7, 2831112), (8, 2477223), (9, 2201976), (12, 1651482), (14, 1415556), (17, 1165752), (18, 1100988), (21, 943704), (24, 825741), (27, 733992), (28, 707778), (34, 582876), (36, 550494), (42, 471852), (51, 388584), (54, 366996), (56, 353889), (63, 314568), (68, 291438), (72, 275247), (81, 244664), (84, 235926), (102, 194292), (108, 183498), (119, 166536), (126, 157284), (136, 145719), (153, 129528), (162, 122332), (168, 117963), (189, 104856), (204, 97146), (216, 91749), (238, 83268), (252, 78642), (257, 77112), (306, 64764), (324, 61166), (357, 55512), (378, 52428), (408, 48573), (459, 43176), (476, 41634), (504, 39321), (514, 38556), (567, 34952), (612, 32382), (648, 30583), (714, 27756), (756, 26214), (771, 25704), (918, 21588), (952, 20817), (1028, 19278), (1071, 18504), (1134, 17476), (1224, 16191), (1377, 14392), (1428, 13878), (1512, 13107), (1542, 12852), (1799, 11016), (1836, 10794), (2056, 9639), (2142, 9252), (2268, 8738), (2313, 8568), (2754, 7196), (2856, 6939), (3084, 6426), (3213, 6168), (3598, 5508), (3672, 5397), (4284, 4626), (4369, 4536)]