19885127521

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{61553}}^1$

素因数の和:61933

約数の個数: 24

約数和(自身を含む): 24419702880

約数和(自身を除く): 4534575359

約数列:

[1, 7, 19, 49, 133, 347, 931, 2429, 6593, 17003, 46151, 61553, 323057, 430871, 1169507, 3016097, 8186549, 21358891, 57305843, 149512237, 405818929, 1046585659, 2840732503, 19885127521]

約数ペア:

[(1, 19885127521), (7, 2840732503), (19, 1046585659), (49, 405818929), (133, 149512237), (347, 57305843), (931, 21358891), (2429, 8186549), (6593, 3016097), (17003, 1169507), (46151, 430871), (61553, 323057)]