19234540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2551}}^1$

素因数の和:2602

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 25782740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2551, 3770, 5102, 7540, 10204, 12755, 25510, 33163, 51020, 66326, 73979, 132652, 147958, 165815, 295916, 331630, 369895, 663260, 739790, 961727, 1479580, 1923454, 3846908, 4808635, 9617270, 19234540]

約数ペア:

[(1, 19234540), (2, 9617270), (4, 4808635), (5, 3846908), (10, 1923454), (13, 1479580), (20, 961727), (26, 739790), (29, 663260), (52, 369895), (58, 331630), (65, 295916), (116, 165815), (130, 147958), (145, 132652), (260, 73979), (290, 66326), (377, 51020), (580, 33163), (754, 25510), (1508, 12755), (1885, 10204), (2551, 7540), (3770, 5102)]