19778030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32423}}^1$

素因数の和:32491

約数の個数: 16

約数和(自身を含む): 36185184

約数和(自身を除く): 16407154

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 32423, 64846, 162115, 324230, 1977803, 3955606, 9889015, 19778030]

約数ペア:

[(1, 19778030), (2, 9889015), (5, 3955606), (10, 1977803), (61, 324230), (122, 162115), (305, 64846), (610, 32423)]