18756426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7757}}^1$

素因数の和:7806

約数の個数: 32

約数和(自身を含む): 41707008

約数和(自身を除く): 22950582

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 7757, 15514, 23271, 46542, 100841, 201682, 240467, 302523, 480934, 605046, 721401, 1442802, 3126071, 6252142, 9378213, 18756426]

約数ペア:

[(1, 18756426), (2, 9378213), (3, 6252142), (6, 3126071), (13, 1442802), (26, 721401), (31, 605046), (39, 480934), (62, 302523), (78, 240467), (93, 201682), (186, 100841), (403, 46542), (806, 23271), (1209, 15514), (2418, 7757)]