18020541

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 12171075

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 231, 431, 543, 1267, 1293, 1991, 3017, 3801, 4741, 5973, 9051, 13937, 14223, 33187, 41811, 78011, 99561, 234033, 546077, 858121, 1638231, 2574363, 6006847, 18020541]

約数ペア:

[(1, 18020541), (3, 6006847), (7, 2574363), (11, 1638231), (21, 858121), (33, 546077), (77, 234033), (181, 99561), (231, 78011), (431, 41811), (543, 33187), (1267, 14223), (1293, 13937), (1991, 9051), (3017, 5973), (3801, 4741)]