19732491

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4129}}^1$

素因数の和:4200

約数の個数: 20

約数和(自身を含む): 29983800

約数和(自身を除く): 10251309

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4129, 4779, 12387, 37161, 111483, 243611, 334449, 730833, 2192499, 6577497, 19732491]

約数ペア:

[(1, 19732491), (3, 6577497), (9, 2192499), (27, 730833), (59, 334449), (81, 243611), (177, 111483), (531, 37161), (1593, 12387), (4129, 4779)]