19297390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{275677}}^1$

素因数の和:275691

約数の個数: 16

約数和(自身を含む): 39697632

約数和(自身を除く): 20400242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 275677, 551354, 1378385, 1929739, 2756770, 3859478, 9648695, 19297390]

約数ペア:

[(1, 19297390), (2, 9648695), (5, 3859478), (7, 2756770), (10, 1929739), (14, 1378385), (35, 551354), (70, 275677)]