19339540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5171}}^1$

素因数の和:5208

約数の個数: 48

約数和(自身を含む): 46920384

約数和(自身を除く): 27580844

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5171, 10342, 20684, 25855, 51710, 56881, 87907, 103420, 113762, 175814, 227524, 284405, 351628, 439535, 568810, 879070, 966977, 1137620, 1758140, 1933954, 3867908, 4834885, 9669770, 19339540]

約数ペア:

[(1, 19339540), (2, 9669770), (4, 4834885), (5, 3867908), (10, 1933954), (11, 1758140), (17, 1137620), (20, 966977), (22, 879070), (34, 568810), (44, 439535), (55, 351628), (68, 284405), (85, 227524), (110, 175814), (170, 113762), (187, 103420), (220, 87907), (340, 56881), (374, 51710), (748, 25855), (935, 20684), (1870, 10342), (3740, 5171)]