18878013

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27241}}^1$

素因数の和:27265

約数の個数: 24

約数和(自身を含む): 33998016

約数和(自身を除く): 15120003

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 27241, 81723, 190687, 245169, 299651, 572061, 898953, 1716183, 2097557, 2696859, 6292671, 18878013]

約数ペア:

[(1, 18878013), (3, 6292671), (7, 2696859), (9, 2097557), (11, 1716183), (21, 898953), (33, 572061), (63, 299651), (77, 245169), (99, 190687), (231, 81723), (693, 27241)]