19704490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151573}}^1$

素因数の和:151593

約数の個数: 16

約数和(自身を含む): 38196648

約数和(自身を除く): 18492158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151573, 303146, 757865, 1515730, 1970449, 3940898, 9852245, 19704490]

約数ペア:

[(1, 19704490), (2, 9852245), (5, 3940898), (10, 1970449), (13, 1515730), (26, 757865), (65, 303146), (130, 151573)]