19998393

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3617}}^1$

素因数の和:3736

約数の個数: 16

約数和(自身を含む): 28365120

約数和(自身を除く): 8366727

約数列:

[1, 3, 19, 57, 97, 291, 1843, 3617, 5529, 10851, 68723, 206169, 350849, 1052547, 6666131, 19998393]

約数ペア:

[(1, 19998393), (3, 6666131), (19, 1052547), (57, 350849), (97, 206169), (291, 68723), (1843, 10851), (3617, 5529)]