18753423

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 27687168

約数和(自身を除く): 8933745

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 611, 787, 1833, 2361, 7943, 10231, 23829, 30693, 36989, 110967, 133003, 399009, 480857, 1442571, 6251141, 18753423]

約数ペア:

[(1, 18753423), (3, 6251141), (13, 1442571), (39, 480857), (47, 399009), (141, 133003), (169, 110967), (507, 36989), (611, 30693), (787, 23829), (1833, 10231), (2361, 7943)]