189882638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{787}}^1\times {\mathrm{997}}^1$

素因数の和:1808

約数の個数: 24

約数和(自身を含む): 313783176

約数和(自身を除く): 123900538

約数列:

[1, 2, 11, 22, 121, 242, 787, 997, 1574, 1994, 8657, 10967, 17314, 21934, 95227, 120637, 190454, 241274, 784639, 1569278, 8631029, 17262058, 94941319, 189882638]

約数ペア:

[(1, 189882638), (2, 94941319), (11, 17262058), (22, 8631029), (121, 1569278), (242, 784639), (787, 241274), (997, 190454), (1574, 120637), (1994, 95227), (8657, 21934), (10967, 17314)]