19807935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2657}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 36744192

約数和(自身を除く): 16936257

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 2657, 7455, 7971, 13285, 18599, 39855, 55797, 92995, 188647, 278985, 565941, 943235, 1320529, 2829705, 3961587, 6602645, 19807935]

約数ペア:

[(1, 19807935), (3, 6602645), (5, 3961587), (7, 2829705), (15, 1320529), (21, 943235), (35, 565941), (71, 278985), (105, 188647), (213, 92995), (355, 55797), (497, 39855), (1065, 18599), (1491, 13285), (2485, 7971), (2657, 7455)]