18123237

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 11444763

約数列:

[1, 3, 9, 11, 27, 33, 99, 139, 297, 417, 439, 1251, 1317, 1529, 3753, 3951, 4587, 4829, 11853, 13761, 14487, 41283, 43461, 61021, 130383, 183063, 549189, 671231, 1647567, 2013693, 6041079, 18123237]

約数ペア:

[(1, 18123237), (3, 6041079), (9, 2013693), (11, 1647567), (27, 671231), (33, 549189), (99, 183063), (139, 130383), (297, 61021), (417, 43461), (439, 41283), (1251, 14487), (1317, 13761), (1529, 11853), (3753, 4829), (3951, 4587)]