18768516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3881}}^1$

素因数の和:3932

約数の個数: 48

約数和(自身を含む): 48695808

約数和(自身を除く): 29927292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 3881, 4836, 7762, 11643, 15524, 23286, 46572, 50453, 100906, 120311, 151359, 201812, 240622, 302718, 360933, 481244, 605436, 721866, 1443732, 1564043, 3128086, 4692129, 6256172, 9384258, 18768516]

約数ペア:

[(1, 18768516), (2, 9384258), (3, 6256172), (4, 4692129), (6, 3128086), (12, 1564043), (13, 1443732), (26, 721866), (31, 605436), (39, 481244), (52, 360933), (62, 302718), (78, 240622), (93, 201812), (124, 151359), (156, 120311), (186, 100906), (372, 50453), (403, 46572), (806, 23286), (1209, 15524), (1612, 11643), (2418, 7762), (3881, 4836)]