18789992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2287}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 19648408

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2287, 4108, 4574, 8216, 9148, 18296, 29731, 59462, 118924, 180673, 237848, 361346, 722692, 1445384, 2348749, 4697498, 9394996, 18789992]

約数ペア:

[(1, 18789992), (2, 9394996), (4, 4697498), (8, 2348749), (13, 1445384), (26, 722692), (52, 361346), (79, 237848), (104, 180673), (158, 118924), (316, 59462), (632, 29731), (1027, 18296), (2054, 9148), (2287, 8216), (4108, 4574)]