18293890881

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1\times {\mathrm{23021}}^1$

素因数の和:23589

約数の個数: 32

約数和(自身を含む): 28289433600

約数和(自身を除く): 9995542719

約数列:

[1, 3, 7, 21, 79, 237, 479, 553, 1437, 1659, 3353, 10059, 23021, 37841, 69063, 113523, 161147, 264887, 483441, 794661, 1818659, 5455977, 11027059, 12730613, 33081177, 38191839, 77189413, 231568239, 871137661, 2613412983, 6097963627, 18293890881]

約数ペア:

[(1, 18293890881), (3, 6097963627), (7, 2613412983), (21, 871137661), (79, 231568239), (237, 77189413), (479, 38191839), (553, 33081177), (1437, 12730613), (1659, 11027059), (3353, 5455977), (10059, 1818659), (23021, 794661), (37841, 483441), (69063, 264887), (113523, 161147)]