18974493

素因数分解:

$3^4\times {\mathrm{433}}^1\times {\mathrm{541}}^1$

素因数の和:986

約数の個数: 20

約数和(自身を含む): 28462588

約数和(自身を除く): 9488095

約数列:

[1, 3, 9, 27, 81, 433, 541, 1299, 1623, 3897, 4869, 11691, 14607, 35073, 43821, 234253, 702759, 2108277, 6324831, 18974493]

約数ペア:

[(1, 18974493), (3, 6324831), (9, 2108277), (27, 702759), (81, 234253), (433, 43821), (541, 35073), (1299, 14607), (1623, 11691), (3897, 4869)]