18517180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 43039584

約数和(自身を除く): 24522404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1153, 1460, 1606, 2306, 3212, 4015, 4612, 5765, 8030, 11530, 12683, 16060, 23060, 25366, 50732, 63415, 84169, 126830, 168338, 253660, 336676, 420845, 841690, 925859, 1683380, 1851718, 3703436, 4629295, 9258590, 18517180]

約数ペア:

[(1, 18517180), (2, 9258590), (4, 4629295), (5, 3703436), (10, 1851718), (11, 1683380), (20, 925859), (22, 841690), (44, 420845), (55, 336676), (73, 253660), (110, 168338), (146, 126830), (220, 84169), (292, 63415), (365, 50732), (730, 25366), (803, 23060), (1153, 16060), (1460, 12683), (1606, 11530), (2306, 8030), (3212, 5765), (4015, 4612)]