39918589990

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{17900713}}^1$

素因数の和:17900943

約数の個数: 16

約数和(自身を含む): 72175678848

約数和(自身を除く): 32257088858

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 17900713, 35801426, 89503565, 179007130, 3991858999, 7983717998, 19959294995, 39918589990]

約数ペア:

[(1, 39918589990), (2, 19959294995), (5, 7983717998), (10, 3991858999), (223, 179007130), (446, 89503565), (1115, 35801426), (2230, 17900713)]