18729818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4021}}^1$

素因数の和:4177

約数の個数: 16

約数和(自身を含む): 29971944

約数和(自身を除く): 11242126

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4021, 4658, 8042, 68357, 136714, 550877, 1101754, 9364909, 18729818]

約数ペア:

[(1, 18729818), (2, 9364909), (17, 1101754), (34, 550877), (137, 136714), (274, 68357), (2329, 8042), (4021, 4658)]