18581680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1094

約数の個数: 80

約数和(自身を含む): 49309344

約数和(自身を除く): 30727664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1051, 1105, 1360, 1768, 2102, 2210, 3536, 4204, 4420, 5255, 8408, 8840, 10510, 13663, 16816, 17680, 17867, 21020, 27326, 35734, 42040, 54652, 68315, 71468, 84080, 89335, 109304, 136630, 142936, 178670, 218608, 232271, 273260, 285872, 357340, 464542, 546520, 714680, 929084, 1093040, 1161355, 1429360, 1858168, 2322710, 3716336, 4645420, 9290840, 18581680]

約数ペア:

[(1, 18581680), (2, 9290840), (4, 4645420), (5, 3716336), (8, 2322710), (10, 1858168), (13, 1429360), (16, 1161355), (17, 1093040), (20, 929084), (26, 714680), (34, 546520), (40, 464542), (52, 357340), (65, 285872), (68, 273260), (80, 232271), (85, 218608), (104, 178670), (130, 142936), (136, 136630), (170, 109304), (208, 89335), (221, 84080), (260, 71468), (272, 68315), (340, 54652), (442, 42040), (520, 35734), (680, 27326), (884, 21020), (1040, 17867), (1051, 17680), (1105, 16816), (1360, 13663), (1768, 10510), (2102, 8840), (2210, 8408), (3536, 5255), (4204, 4420)]