19766428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10957}}^1$

素因数の和:11013

約数の個数: 24

約数和(自身を含む): 38659824

約数和(自身を除く): 18893396

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 10957, 21914, 43828, 120527, 241054, 449237, 482108, 898474, 1796948, 4941607, 9883214, 19766428]

約数ペア:

[(1, 19766428), (2, 9883214), (4, 4941607), (11, 1796948), (22, 898474), (41, 482108), (44, 449237), (82, 241054), (164, 120527), (451, 43828), (902, 21914), (1804, 10957)]