18753790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1409}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 37156320

約数和(自身を除く): 18402530

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1409, 2662, 2818, 6655, 7045, 13310, 14090, 15499, 30998, 77495, 154990, 170489, 340978, 852445, 1704890, 1875379, 3750758, 9376895, 18753790]

約数ペア:

[(1, 18753790), (2, 9376895), (5, 3750758), (10, 1875379), (11, 1704890), (22, 852445), (55, 340978), (110, 170489), (121, 154990), (242, 77495), (605, 30998), (1210, 15499), (1331, 14090), (1409, 13310), (2662, 7045), (2818, 6655)]