18574790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 37551600

約数和(自身を除く): 18976810

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 379, 754, 758, 845, 1690, 1885, 1895, 3770, 3790, 4901, 4927, 9802, 9854, 10991, 21982, 24505, 24635, 49010, 49270, 54955, 64051, 109910, 128102, 142883, 285766, 320255, 640510, 714415, 1428830, 1857479, 3714958, 9287395, 18574790]

約数ペア:

[(1, 18574790), (2, 9287395), (5, 3714958), (10, 1857479), (13, 1428830), (26, 714415), (29, 640510), (58, 320255), (65, 285766), (130, 142883), (145, 128102), (169, 109910), (290, 64051), (338, 54955), (377, 49270), (379, 49010), (754, 24635), (758, 24505), (845, 21982), (1690, 10991), (1885, 9854), (1895, 9802), (3770, 4927), (3790, 4901)]