18681655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6781}}^1$

素因数の和:6834

約数の個数: 16

約数和(自身を含む): 24415200

約数和(自身を除く): 5733545

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 6781, 33905, 128839, 196649, 644195, 983245, 3736331, 18681655]

約数ペア:

[(1, 18681655), (5, 3736331), (19, 983245), (29, 644195), (95, 196649), (145, 128839), (551, 33905), (2755, 6781)]