18026320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17333}}^1$

素因数の和:17359

約数の個数: 40

約数和(自身を含む): 45137736

約数和(自身を除く): 27111416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17333, 34666, 69332, 86665, 138664, 173330, 225329, 277328, 346660, 450658, 693320, 901316, 1126645, 1386640, 1802632, 2253290, 3605264, 4506580, 9013160, 18026320]

約数ペア:

[(1, 18026320), (2, 9013160), (4, 4506580), (5, 3605264), (8, 2253290), (10, 1802632), (13, 1386640), (16, 1126645), (20, 901316), (26, 693320), (40, 450658), (52, 346660), (65, 277328), (80, 225329), (104, 173330), (130, 138664), (208, 86665), (260, 69332), (520, 34666), (1040, 17333)]