18861310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5003}}^1$

素因数の和:5052

約数の個数: 32

約数和(自身を含む): 37830240

約数和(自身を除く): 18968930

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5003, 10006, 25015, 50030, 65039, 130078, 145087, 290174, 325195, 650390, 725435, 1450870, 1886131, 3772262, 9430655, 18861310]

約数ペア:

[(1, 18861310), (2, 9430655), (5, 3772262), (10, 1886131), (13, 1450870), (26, 725435), (29, 650390), (58, 325195), (65, 290174), (130, 145087), (145, 130078), (290, 65039), (377, 50030), (754, 25015), (1885, 10006), (3770, 5003)]