18943101

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 28169856

約数和(自身を除く): 9226755

約数列:

[1, 3, 9, 53, 151, 159, 263, 453, 477, 789, 1359, 2367, 8003, 13939, 24009, 39713, 41817, 72027, 119139, 125451, 357417, 2104789, 6314367, 18943101]

約数ペア:

[(1, 18943101), (3, 6314367), (9, 2104789), (53, 357417), (151, 125451), (159, 119139), (263, 72027), (453, 41817), (477, 39713), (789, 24009), (1359, 13939), (2367, 8003)]