18672261

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8422779

約数列:

[1, 3, 31, 41, 59, 83, 93, 123, 177, 249, 1271, 1829, 2419, 2573, 3403, 3813, 4897, 5487, 7257, 7719, 10209, 14691, 74989, 105493, 151807, 200777, 224967, 316479, 455421, 602331, 6224087, 18672261]

約数ペア:

[(1, 18672261), (3, 6224087), (31, 602331), (41, 455421), (59, 316479), (83, 224967), (93, 200777), (123, 151807), (177, 105493), (249, 74989), (1271, 14691), (1829, 10209), (2419, 7719), (2573, 7257), (3403, 5487), (3813, 4897)]