19155890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{147353}}^1$

素因数の和:147373

約数の個数: 16

約数和(自身を含む): 37133208

約数和(自身を除く): 17977318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 147353, 294706, 736765, 1473530, 1915589, 3831178, 9577945, 19155890]

約数ペア:

[(1, 19155890), (2, 9577945), (5, 3831178), (10, 1915589), (13, 1473530), (26, 736765), (65, 294706), (130, 147353)]