20181208479

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{11717}}^1$

素因数の和:12079

約数の個数: 32

約数和(自身を含む): 28213194240

約数和(自身を除く): 8031985761

約数列:

[1, 3, 37, 59, 111, 177, 263, 789, 2183, 6549, 9731, 11717, 15517, 29193, 35151, 46551, 433529, 574129, 691303, 1300587, 1722387, 2073909, 3081571, 9244713, 25578211, 76734633, 114018127, 181812689, 342054381, 545438067, 6727069493, 20181208479]

約数ペア:

[(1, 20181208479), (3, 6727069493), (37, 545438067), (59, 342054381), (111, 181812689), (177, 114018127), (263, 76734633), (789, 25578211), (2183, 9244713), (6549, 3081571), (9731, 2073909), (11717, 1722387), (15517, 1300587), (29193, 691303), (35151, 574129), (46551, 433529)]