18668735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4793}}^1$

素因数の和:4858

約数の個数: 16

約数和(自身を含む): 24161760

約数和(自身を除く): 5493025

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 4793, 23965, 91067, 196513, 455335, 982565, 3733747, 18668735]

約数ペア:

[(1, 18668735), (5, 3733747), (19, 982565), (41, 455335), (95, 196513), (205, 91067), (779, 23965), (3895, 4793)]