18103661020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1309961}}^1$

素因数の和:1310661

約数の個数: 24

約数和(自身を含む): 38072735568

約数和(自身を除く): 19969074548

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 1309961, 2619922, 5239844, 6549805, 13099610, 26199220, 905183051, 1810366102, 3620732204, 4525915255, 9051830510, 18103661020]

約数ペア:

[(1, 18103661020), (2, 9051830510), (4, 4525915255), (5, 3620732204), (10, 1810366102), (20, 905183051), (691, 26199220), (1382, 13099610), (2764, 6549805), (3455, 5239844), (6910, 2619922), (13820, 1309961)]