19570369

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 24665472

約数和(自身を除く): 5095103

約数列:

[1, 7, 13, 71, 91, 169, 233, 497, 923, 1183, 1631, 3029, 6461, 11999, 16543, 21203, 39377, 83993, 115801, 215059, 275639, 1505413, 2795767, 19570369]

約数ペア:

[(1, 19570369), (7, 2795767), (13, 1505413), (71, 275639), (91, 215059), (169, 115801), (233, 83993), (497, 39377), (923, 21203), (1183, 16543), (1631, 11999), (3029, 6461)]