18187360

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1687

約数の個数: 48

約数和(自身を含む): 43600032

約数和(自身を除く): 25412672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1601, 2272, 2840, 3202, 5680, 6404, 8005, 11360, 12808, 16010, 25616, 32020, 51232, 64040, 113671, 128080, 227342, 256160, 454684, 568355, 909368, 1136710, 1818736, 2273420, 3637472, 4546840, 9093680, 18187360]

約数ペア:

[(1, 18187360), (2, 9093680), (4, 4546840), (5, 3637472), (8, 2273420), (10, 1818736), (16, 1136710), (20, 909368), (32, 568355), (40, 454684), (71, 256160), (80, 227342), (142, 128080), (160, 113671), (284, 64040), (355, 51232), (568, 32020), (710, 25616), (1136, 16010), (1420, 12808), (1601, 11360), (2272, 8005), (2840, 6404), (3202, 5680)]