19987203604

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1195121}}^1$

素因数の和:1195275

約数の個数: 24

約数和(自身を含む): 36240879528

約数和(自身を除く): 16253675924

約数列:

[1, 2, 4, 37, 74, 113, 148, 226, 452, 4181, 8362, 16724, 1195121, 2390242, 4780484, 44219477, 88438954, 135048673, 176877908, 270097346, 540194692, 4996800901, 9993601802, 19987203604]

約数ペア:

[(1, 19987203604), (2, 9993601802), (4, 4996800901), (37, 540194692), (74, 270097346), (113, 176877908), (148, 135048673), (226, 88438954), (452, 44219477), (4181, 4780484), (8362, 2390242), (16724, 1195121)]