1921530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 5006880

約数和(自身を除く): 3085350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 379, 390, 507, 758, 845, 1014, 1137, 1690, 1895, 2274, 2535, 3790, 4927, 5070, 5685, 9854, 11370, 14781, 24635, 29562, 49270, 64051, 73905, 128102, 147810, 192153, 320255, 384306, 640510, 960765, 1921530]

約数ペア:

[(1, 1921530), (2, 960765), (3, 640510), (5, 384306), (6, 320255), (10, 192153), (13, 147810), (15, 128102), (26, 73905), (30, 64051), (39, 49270), (65, 29562), (78, 24635), (130, 14781), (169, 11370), (195, 9854), (338, 5685), (379, 5070), (390, 4927), (507, 3790), (758, 2535), (845, 2274), (1014, 1895), (1137, 1690)]