19418330

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9203}}^1$

素因数の和:9421

約数の個数: 16

約数和(自身を含む): 35122464

約数和(自身を除く): 15704134

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9203, 18406, 46015, 92030, 1941833, 3883666, 9709165, 19418330]

約数ペア:

[(1, 19418330), (2, 9709165), (5, 3883666), (10, 1941833), (211, 92030), (422, 46015), (1055, 18406), (2110, 9203)]