19001635

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 4264157

約数列:

[1, 5, 101, 191, 197, 505, 955, 985, 19291, 19897, 37627, 96455, 99485, 188135, 3800327, 19001635]

約数ペア:

[(1, 19001635), (5, 3800327), (101, 188135), (191, 99485), (197, 96455), (505, 37627), (955, 19897), (985, 19291)]