18605915

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 23141376

約数和(自身を除く): 4535461

約数列:

[1, 5, 53, 61, 265, 305, 1151, 3233, 5755, 16165, 61003, 70211, 305015, 351055, 3721183, 18605915]

約数ペア:

[(1, 18605915), (5, 3721183), (53, 351055), (61, 305015), (265, 70211), (305, 61003), (1151, 16165), (3233, 5755)]