19900010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153077}}^1$

素因数の和:153097

約数の個数: 16

約数和(自身を含む): 38575656

約数和(自身を除く): 18675646

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153077, 306154, 765385, 1530770, 1990001, 3980002, 9950005, 19900010]

約数ペア:

[(1, 19900010), (2, 9950005), (5, 3980002), (10, 1990001), (13, 1530770), (26, 765385), (65, 306154), (130, 153077)]