19880937

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{12071}}^1$

素因数の和:12141

約数の個数: 16

約数和(自身を含む): 29938560

約数和(自身を除く): 10057623

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 12071, 36213, 108639, 325917, 736331, 2208993, 6626979, 19880937]

約数ペア:

[(1, 19880937), (3, 6626979), (9, 2208993), (27, 736331), (61, 325917), (183, 108639), (549, 36213), (1647, 12071)]