18881382

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242069}}^1$

素因数の和:242087

約数の個数: 16

約数和(自身を含む): 40667760

約数和(自身を除く): 21786378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242069, 484138, 726207, 1452414, 3146897, 6293794, 9440691, 18881382]

約数ペア:

[(1, 18881382), (2, 9440691), (3, 6293794), (6, 3146897), (13, 1452414), (26, 726207), (39, 484138), (78, 242069)]