18470818

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:969

約数の個数: 16

約数和(自身を含む): 28377216

約数和(自身を除く): 9906398

約数列:

[1, 2, 53, 106, 271, 542, 643, 1286, 14363, 28726, 34079, 68158, 174253, 348506, 9235409, 18470818]

約数ペア:

[(1, 18470818), (2, 9235409), (53, 348506), (106, 174253), (271, 68158), (542, 34079), (643, 28726), (1286, 14363)]