18712610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38189}}^1$

素因数の和:38210

約数の個数: 24

約数和(自身を含む): 39182940

約数和(自身を除く): 20470330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38189, 76378, 190945, 267323, 381890, 534646, 1336615, 1871261, 2673230, 3742522, 9356305, 18712610]

約数ペア:

[(1, 18712610), (2, 9356305), (5, 3742522), (7, 2673230), (10, 1871261), (14, 1336615), (35, 534646), (49, 381890), (70, 267323), (98, 190945), (245, 76378), (490, 38189)]