19517465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{983}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 26993088

約数和(自身を除く): 7475623

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 983, 1045, 1805, 3971, 4915, 10813, 18677, 19855, 54065, 93385, 205447, 354863, 1027235, 1774315, 3903493, 19517465]

約数ペア:

[(1, 19517465), (5, 3903493), (11, 1774315), (19, 1027235), (55, 354863), (95, 205447), (209, 93385), (361, 54065), (983, 19855), (1045, 18677), (1805, 10813), (3971, 4915)]