18765416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4505

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 19699864

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4451, 8902, 17804, 35608, 75667, 137981, 151334, 275962, 302668, 551924, 605336, 1103848, 2345677, 4691354, 9382708, 18765416]

約数ペア:

[(1, 18765416), (2, 9382708), (4, 4691354), (8, 2345677), (17, 1103848), (31, 605336), (34, 551924), (62, 302668), (68, 275962), (124, 151334), (136, 137981), (248, 75667), (527, 35608), (1054, 17804), (2108, 8902), (4216, 4451)]