18995372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1237}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 36397200

約数和(自身を除く): 17401828

約数列:

[1, 2, 4, 11, 22, 44, 349, 698, 1237, 1396, 2474, 3839, 4948, 7678, 13607, 15356, 27214, 54428, 431713, 863426, 1726852, 4748843, 9497686, 18995372]

約数ペア:

[(1, 18995372), (2, 9497686), (4, 4748843), (11, 1726852), (22, 863426), (44, 431713), (349, 54428), (698, 27214), (1237, 15356), (1396, 13607), (2474, 7678), (3839, 4948)]