18501080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 45843840

約数和(自身を除く): 27342760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 757, 940, 1222, 1514, 1880, 2444, 3028, 3055, 3785, 4888, 6056, 6110, 7570, 9841, 12220, 15140, 19682, 24440, 30280, 35579, 39364, 49205, 71158, 78728, 98410, 142316, 177895, 196820, 284632, 355790, 393640, 462527, 711580, 925054, 1423160, 1850108, 2312635, 3700216, 4625270, 9250540, 18501080]

約数ペア:

[(1, 18501080), (2, 9250540), (4, 4625270), (5, 3700216), (8, 2312635), (10, 1850108), (13, 1423160), (20, 925054), (26, 711580), (40, 462527), (47, 393640), (52, 355790), (65, 284632), (94, 196820), (104, 177895), (130, 142316), (188, 98410), (235, 78728), (260, 71158), (376, 49205), (470, 39364), (520, 35579), (611, 30280), (757, 24440), (940, 19682), (1222, 15140), (1514, 12220), (1880, 9841), (2444, 7570), (3028, 6110), (3055, 6056), (3785, 4888)]