19908350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5171}}^1$

素因数の和:5201

約数の個数: 48

約数和(自身を含む): 46175616

約数和(自身を除く): 26267266

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5171, 10342, 25855, 36197, 51710, 56881, 72394, 113762, 129275, 180985, 258550, 284405, 361970, 398167, 568810, 796334, 904925, 1422025, 1809850, 1990835, 2844050, 3981670, 9954175, 19908350]

約数ペア:

[(1, 19908350), (2, 9954175), (5, 3981670), (7, 2844050), (10, 1990835), (11, 1809850), (14, 1422025), (22, 904925), (25, 796334), (35, 568810), (50, 398167), (55, 361970), (70, 284405), (77, 258550), (110, 180985), (154, 129275), (175, 113762), (275, 72394), (350, 56881), (385, 51710), (550, 36197), (770, 25855), (1925, 10342), (3850, 5171)]