18275920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17573}}^1$

素因数の和:17599

約数の個数: 40

約数和(自身を含む): 45762696

約数和(自身を除く): 27486776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17573, 35146, 70292, 87865, 140584, 175730, 228449, 281168, 351460, 456898, 702920, 913796, 1142245, 1405840, 1827592, 2284490, 3655184, 4568980, 9137960, 18275920]

約数ペア:

[(1, 18275920), (2, 9137960), (4, 4568980), (5, 3655184), (8, 2284490), (10, 1827592), (13, 1405840), (16, 1142245), (20, 913796), (26, 702920), (40, 456898), (52, 351460), (65, 281168), (80, 228449), (104, 175730), (130, 140584), (208, 87865), (260, 70292), (520, 35146), (1040, 17573)]