19965718491

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^3\times {\mathrm{28789}}^1$

素因数の和:28880

約数の個数: 32

約数和(自身を含む): 29296704000

約数和(自身を除く): 9330985509

約数列:

[1, 3, 19, 23, 57, 69, 437, 529, 1311, 1587, 10051, 12167, 28789, 30153, 36501, 86367, 231173, 546991, 662147, 693519, 1640973, 1986441, 12580793, 15229381, 37742379, 45688143, 289358239, 350275763, 868074717, 1050827289, 6655239497, 19965718491]

約数ペア:

[(1, 19965718491), (3, 6655239497), (19, 1050827289), (23, 868074717), (57, 350275763), (69, 289358239), (437, 45688143), (529, 37742379), (1311, 15229381), (1587, 12580793), (10051, 1986441), (12167, 1640973), (28789, 693519), (30153, 662147), (36501, 546991), (86367, 231173)]