11919940

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3947}}^1$

素因数の和:4107

約数の個数: 24

約数和(自身を含む): 25204032

約数和(自身を除く): 13284092

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 3947, 7894, 15788, 19735, 39470, 78940, 595997, 1191994, 2383988, 2979985, 5959970, 11919940]

約数ペア:

[(1, 11919940), (2, 5959970), (4, 2979985), (5, 2383988), (10, 1191994), (20, 595997), (151, 78940), (302, 39470), (604, 19735), (755, 15788), (1510, 7894), (3020, 3947)]