19658936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{773}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 42771240

約数和(自身を除く): 23112304

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 289, 374, 578, 748, 773, 1156, 1496, 1546, 2312, 3092, 3179, 6184, 6358, 8503, 12716, 13141, 17006, 25432, 26282, 34012, 52564, 68024, 105128, 144551, 223397, 289102, 446794, 578204, 893588, 1156408, 1787176, 2457367, 4914734, 9829468, 19658936]

約数ペア:

[(1, 19658936), (2, 9829468), (4, 4914734), (8, 2457367), (11, 1787176), (17, 1156408), (22, 893588), (34, 578204), (44, 446794), (68, 289102), (88, 223397), (136, 144551), (187, 105128), (289, 68024), (374, 52564), (578, 34012), (748, 26282), (773, 25432), (1156, 17006), (1496, 13141), (1546, 12716), (2312, 8503), (3092, 6358), (3179, 6184)]