19259380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137567}}^1$

素因数の和:137583

約数の個数: 24

約数和(自身を含む): 46222848

約数和(自身を除く): 26963468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137567, 275134, 550268, 687835, 962969, 1375670, 1925938, 2751340, 3851876, 4814845, 9629690, 19259380]

約数ペア:

[(1, 19259380), (2, 9629690), (4, 4814845), (5, 3851876), (7, 2751340), (10, 1925938), (14, 1375670), (20, 962969), (28, 687835), (35, 550268), (70, 275134), (140, 137567)]