18391145

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 24359616

約数和(自身を除く): 5968471

約数列:

[1, 5, 19, 23, 95, 115, 361, 437, 443, 1805, 2185, 2215, 8303, 8417, 10189, 41515, 42085, 50945, 159923, 193591, 799615, 967955, 3678229, 18391145]

約数ペア:

[(1, 18391145), (5, 3678229), (19, 967955), (23, 799615), (95, 193591), (115, 159923), (361, 50945), (437, 42085), (443, 41515), (1805, 10189), (2185, 8417), (2215, 8303)]