18755397

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9249723

約数列:

[1, 3, 9, 47, 101, 141, 303, 423, 439, 909, 1317, 3951, 4747, 14241, 20633, 42723, 44339, 61899, 133017, 185697, 399051, 2083933, 6251799, 18755397]

約数ペア:

[(1, 18755397), (3, 6251799), (9, 2083933), (47, 399051), (101, 185697), (141, 133017), (303, 61899), (423, 44339), (439, 42723), (909, 20633), (1317, 14241), (3951, 4747)]