18682641

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 28529280

約数和(自身を除く): 9846639

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 1523, 4089, 4569, 12267, 13707, 44167, 71581, 132501, 214743, 397503, 644229, 2075849, 6227547, 18682641]

約数ペア:

[(1, 18682641), (3, 6227547), (9, 2075849), (29, 644229), (47, 397503), (87, 214743), (141, 132501), (261, 71581), (423, 44167), (1363, 13707), (1523, 12267), (4089, 4569)]