13199890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10909}}^1$

素因数の和:10938

約数の個数: 24

約数和(自身を含む): 26118540

約数和(自身を除く): 12918650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 10909, 21818, 54545, 109090, 119999, 239998, 599995, 1199990, 1319989, 2639978, 6599945, 13199890]

約数ペア:

[(1, 13199890), (2, 6599945), (5, 2639978), (10, 1319989), (11, 1199990), (22, 599995), (55, 239998), (110, 119999), (121, 109090), (242, 54545), (605, 21818), (1210, 10909)]