18335640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3251}}^1$

素因数の和:3312

約数の個数: 64

約数和(自身を含む): 56194560

約数和(自身を除く): 37858920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3251, 5640, 6502, 9753, 13004, 16255, 19506, 26008, 32510, 39012, 48765, 65020, 78024, 97530, 130040, 152797, 195060, 305594, 390120, 458391, 611188, 763985, 916782, 1222376, 1527970, 1833564, 2291955, 3055940, 3667128, 4583910, 6111880, 9167820, 18335640]

約数ペア:

[(1, 18335640), (2, 9167820), (3, 6111880), (4, 4583910), (5, 3667128), (6, 3055940), (8, 2291955), (10, 1833564), (12, 1527970), (15, 1222376), (20, 916782), (24, 763985), (30, 611188), (40, 458391), (47, 390120), (60, 305594), (94, 195060), (120, 152797), (141, 130040), (188, 97530), (235, 78024), (282, 65020), (376, 48765), (470, 39012), (564, 32510), (705, 26008), (940, 19506), (1128, 16255), (1410, 13004), (1880, 9753), (2820, 6502), (3251, 5640)]