19695928

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 44871120

約数和(自身を除く): 25175192

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 1217, 2023, 2312, 2434, 4046, 4868, 8092, 8519, 9736, 16184, 17038, 20689, 34076, 41378, 68152, 82756, 144823, 165512, 289646, 351713, 579292, 703426, 1158584, 1406852, 2461991, 2813704, 4923982, 9847964, 19695928]

約数ペア:

[(1, 19695928), (2, 9847964), (4, 4923982), (7, 2813704), (8, 2461991), (14, 1406852), (17, 1158584), (28, 703426), (34, 579292), (56, 351713), (68, 289646), (119, 165512), (136, 144823), (238, 82756), (289, 68152), (476, 41378), (578, 34076), (952, 20689), (1156, 17038), (1217, 16184), (2023, 9736), (2312, 8519), (2434, 8092), (4046, 4868)]