18495280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3167}}^1$

素因数の和:3253

約数の個数: 40

約数和(自身を含む): 43604352

約数和(自身を除く): 25109072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3167, 5840, 6334, 12668, 15835, 25336, 31670, 50672, 63340, 126680, 231191, 253360, 462382, 924764, 1155955, 1849528, 2311910, 3699056, 4623820, 9247640, 18495280]

約数ペア:

[(1, 18495280), (2, 9247640), (4, 4623820), (5, 3699056), (8, 2311910), (10, 1849528), (16, 1155955), (20, 924764), (40, 462382), (73, 253360), (80, 231191), (146, 126680), (292, 63340), (365, 50672), (584, 31670), (730, 25336), (1168, 15835), (1460, 12668), (2920, 6334), (3167, 5840)]