18086744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2851}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 37133040

約数和(自身を除く): 19046296

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 2851, 3172, 5702, 6344, 11404, 22808, 37063, 74126, 148252, 173911, 296504, 347822, 695644, 1391288, 2260843, 4521686, 9043372, 18086744]

約数ペア:

[(1, 18086744), (2, 9043372), (4, 4521686), (8, 2260843), (13, 1391288), (26, 695644), (52, 347822), (61, 296504), (104, 173911), (122, 148252), (244, 74126), (488, 37063), (793, 22808), (1586, 11404), (2851, 6344), (3172, 5702)]