19274428

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 34779024

約数和(自身を除く): 15504596

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 557, 844, 1114, 2228, 8651, 17302, 22837, 34604, 45674, 91348, 117527, 235054, 470108, 4818607, 9637214, 19274428]

約数ペア:

[(1, 19274428), (2, 9637214), (4, 4818607), (41, 470108), (82, 235054), (164, 117527), (211, 91348), (422, 45674), (557, 34604), (844, 22837), (1114, 17302), (2228, 8651)]