19236945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 40158720

約数和(自身を除く): 20921775

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 829, 1105, 1365, 1547, 1785, 2487, 3315, 4145, 4641, 5803, 7735, 10777, 12435, 14093, 17409, 23205, 29015, 32331, 42279, 53885, 70465, 75439, 87045, 98651, 161655, 183209, 211395, 226317, 295953, 377195, 493255, 549627, 916045, 1131585, 1282463, 1479765, 2748135, 3847389, 6412315, 19236945]

約数ペア:

[(1, 19236945), (3, 6412315), (5, 3847389), (7, 2748135), (13, 1479765), (15, 1282463), (17, 1131585), (21, 916045), (35, 549627), (39, 493255), (51, 377195), (65, 295953), (85, 226317), (91, 211395), (105, 183209), (119, 161655), (195, 98651), (221, 87045), (255, 75439), (273, 70465), (357, 53885), (455, 42279), (595, 32331), (663, 29015), (829, 23205), (1105, 17409), (1365, 14093), (1547, 12435), (1785, 10777), (2487, 7735), (3315, 5803), (4145, 4641)]