19396870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 16845050

約数列:

[1, 2, 5, 10, 43, 79, 86, 158, 215, 395, 430, 571, 790, 1142, 2855, 3397, 5710, 6794, 16985, 24553, 33970, 45109, 49106, 90218, 122765, 225545, 245530, 451090, 1939687, 3879374, 9698435, 19396870]

約数ペア:

[(1, 19396870), (2, 9698435), (5, 3879374), (10, 1939687), (43, 451090), (79, 245530), (86, 225545), (158, 122765), (215, 90218), (395, 49106), (430, 45109), (571, 33970), (790, 24553), (1142, 16985), (2855, 6794), (3397, 5710)]