19585279

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 22934016

約数和(自身を除く): 3348737

約数列:

[1, 7, 71, 157, 251, 497, 1099, 1757, 11147, 17821, 39407, 78029, 124747, 275849, 2797897, 19585279]

約数ペア:

[(1, 19585279), (7, 2797897), (71, 275849), (157, 124747), (251, 78029), (497, 39407), (1099, 17821), (1757, 11147)]