15996186

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 36241920

約数和(自身を除く): 20245734

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 109, 186, 218, 263, 279, 327, 526, 558, 654, 789, 981, 1578, 1962, 2367, 3379, 4734, 6758, 8153, 10137, 16306, 20274, 24459, 28667, 30411, 48918, 57334, 60822, 73377, 86001, 146754, 172002, 258003, 516006, 888677, 1777354, 2666031, 5332062, 7998093, 15996186]

約数ペア:

[(1, 15996186), (2, 7998093), (3, 5332062), (6, 2666031), (9, 1777354), (18, 888677), (31, 516006), (62, 258003), (93, 172002), (109, 146754), (186, 86001), (218, 73377), (263, 60822), (279, 57334), (327, 48918), (526, 30411), (558, 28667), (654, 24459), (789, 20274), (981, 16306), (1578, 10137), (1962, 8153), (2367, 6758), (3379, 4734)]