19307890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{275827}}^1$

素因数の和:275841

約数の個数: 16

約数和(自身を含む): 39719232

約数和(自身を除く): 20411342

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 275827, 551654, 1379135, 1930789, 2758270, 3861578, 9653945, 19307890]

約数ペア:

[(1, 19307890), (2, 9653945), (5, 3861578), (7, 2758270), (10, 1930789), (14, 1379135), (35, 551654), (70, 275827)]