18147470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{457}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 37691568

約数和(自身を除く): 19544098

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 457, 722, 914, 1045, 1805, 2090, 2285, 3610, 3971, 4570, 5027, 7942, 8683, 10054, 17366, 19855, 25135, 39710, 43415, 50270, 86830, 95513, 164977, 191026, 329954, 477565, 824885, 955130, 1649770, 1814747, 3629494, 9073735, 18147470]

約数ペア:

[(1, 18147470), (2, 9073735), (5, 3629494), (10, 1814747), (11, 1649770), (19, 955130), (22, 824885), (38, 477565), (55, 329954), (95, 191026), (110, 164977), (190, 95513), (209, 86830), (361, 50270), (418, 43415), (457, 39710), (722, 25135), (914, 19855), (1045, 17366), (1805, 10054), (2090, 8683), (2285, 7942), (3610, 5027), (3971, 4570)]