20181837

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16693}}^1$

素因数の和:16740

約数の個数: 16

約数和(自身を含む): 29915648

約数和(自身を除く): 9733811

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16693, 50079, 217009, 517483, 651027, 1552449, 6727279, 20181837]

約数ペア:

[(1, 20181837), (3, 6727279), (13, 1552449), (31, 651027), (39, 517483), (93, 217009), (403, 50079), (1209, 16693)]