18905406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242377}}^1$

素因数の和:242395

約数の個数: 16

約数和(自身を含む): 40719504

約数和(自身を除く): 21814098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242377, 484754, 727131, 1454262, 3150901, 6301802, 9452703, 18905406]

約数ペア:

[(1, 18905406), (2, 9452703), (3, 6301802), (6, 3150901), (13, 1454262), (26, 727131), (39, 484754), (78, 242377)]