18662391

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1439}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 10990089

約数列:

[1, 3, 9, 11, 33, 99, 131, 393, 1179, 1439, 1441, 4317, 4323, 12951, 12969, 15829, 47487, 142461, 188509, 565527, 1696581, 2073599, 6220797, 18662391]

約数ペア:

[(1, 18662391), (3, 6220797), (9, 2073599), (11, 1696581), (33, 565527), (99, 188509), (131, 142461), (393, 47487), (1179, 15829), (1439, 12969), (1441, 12951), (4317, 4323)]