19662180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7621}}^1$

素因数の和:7676

約数の個数: 48

約数和(自身を含む): 56341824

約数和(自身を除く): 36679644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7621, 15242, 22863, 30484, 38105, 45726, 76210, 91452, 114315, 152420, 228630, 327703, 457260, 655406, 983109, 1310812, 1638515, 1966218, 3277030, 3932436, 4915545, 6554060, 9831090, 19662180]

約数ペア:

[(1, 19662180), (2, 9831090), (3, 6554060), (4, 4915545), (5, 3932436), (6, 3277030), (10, 1966218), (12, 1638515), (15, 1310812), (20, 983109), (30, 655406), (43, 457260), (60, 327703), (86, 228630), (129, 152420), (172, 114315), (215, 91452), (258, 76210), (430, 45726), (516, 38105), (645, 30484), (860, 22863), (1290, 15242), (2580, 7621)]