18182840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 26572360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 479, 520, 584, 730, 949, 958, 1460, 1898, 1916, 2395, 2920, 3796, 3832, 4745, 4790, 6227, 7592, 9490, 9580, 12454, 18980, 19160, 24908, 31135, 34967, 37960, 49816, 62270, 69934, 124540, 139868, 174835, 249080, 279736, 349670, 454571, 699340, 909142, 1398680, 1818284, 2272855, 3636568, 4545710, 9091420, 18182840]

約数ペア:

[(1, 18182840), (2, 9091420), (4, 4545710), (5, 3636568), (8, 2272855), (10, 1818284), (13, 1398680), (20, 909142), (26, 699340), (40, 454571), (52, 349670), (65, 279736), (73, 249080), (104, 174835), (130, 139868), (146, 124540), (260, 69934), (292, 62270), (365, 49816), (479, 37960), (520, 34967), (584, 31135), (730, 24908), (949, 19160), (958, 18980), (1460, 12454), (1898, 9580), (1916, 9490), (2395, 7592), (2920, 6227), (3796, 4790), (3832, 4745)]