19859312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2129}}^1$

素因数の和:2201

約数の個数: 40

約数和(自身を含む): 42787440

約数和(自身を除く): 22928128

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2129, 2332, 4258, 4664, 8516, 9328, 17032, 23419, 34064, 46838, 93676, 112837, 187352, 225674, 374704, 451348, 902696, 1241207, 1805392, 2482414, 4964828, 9929656, 19859312]

約数ペア:

[(1, 19859312), (2, 9929656), (4, 4964828), (8, 2482414), (11, 1805392), (16, 1241207), (22, 902696), (44, 451348), (53, 374704), (88, 225674), (106, 187352), (176, 112837), (212, 93676), (424, 46838), (583, 34064), (848, 23419), (1166, 17032), (2129, 9328), (2332, 8516), (4258, 4664)]