18307690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13171}}^1$

素因数の和:13317

約数の個数: 16

約数和(自身を含む): 33193440

約数和(自身を除く): 14885750

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 13171, 26342, 65855, 131710, 1830769, 3661538, 9153845, 18307690]

約数ペア:

[(1, 18307690), (2, 9153845), (5, 3661538), (10, 1830769), (139, 131710), (278, 65855), (695, 26342), (1390, 13171)]