18112491

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3957

約数の個数: 24

約数和(自身を含む): 28566720

約数和(自身を除く): 10454229

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 3923, 4617, 11769, 35307, 74537, 105921, 223611, 317763, 670833, 953289, 2012499, 6037497, 18112491]

約数ペア:

[(1, 18112491), (3, 6037497), (9, 2012499), (19, 953289), (27, 670833), (57, 317763), (81, 223611), (171, 105921), (243, 74537), (513, 35307), (1539, 11769), (3923, 4617)]