18851877

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1747}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 29995680

約数和(自身を除く): 11143803

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 981, 1199, 1747, 3597, 5241, 10791, 15723, 19217, 57651, 172953, 190423, 571269, 1713807, 2094653, 6283959, 18851877]

約数ペア:

[(1, 18851877), (3, 6283959), (9, 2094653), (11, 1713807), (33, 571269), (99, 190423), (109, 172953), (327, 57651), (981, 19217), (1199, 15723), (1747, 10791), (3597, 5241)]