19641111

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2521}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 31050864

約数和(自身を除く): 11409753

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2521, 2597, 7563, 7791, 17647, 52941, 123529, 133613, 370587, 400839, 935291, 2805873, 6547037, 19641111]

約数ペア:

[(1, 19641111), (3, 6547037), (7, 2805873), (21, 935291), (49, 400839), (53, 370587), (147, 133613), (159, 123529), (371, 52941), (1113, 17647), (2521, 7791), (2597, 7563)]