19879154

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:410

約数の個数: 24

約数和(自身を含む): 32021328

約数和(自身を除く): 12142174

約数列:

[1, 2, 17, 34, 163, 211, 289, 326, 422, 578, 2771, 3587, 5542, 7174, 34393, 47107, 60979, 68786, 94214, 121958, 584681, 1169362, 9939577, 19879154]

約数ペア:

[(1, 19879154), (2, 9939577), (17, 1169362), (34, 584681), (163, 121958), (211, 94214), (289, 68786), (326, 60979), (422, 47107), (578, 34393), (2771, 7174), (3587, 5542)]