19866180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{467}}^1\times {\mathrm{709}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 55823040

約数和(自身を除く): 35956860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 467, 709, 934, 1401, 1418, 1868, 2127, 2335, 2802, 2836, 3545, 4254, 4670, 5604, 7005, 7090, 8508, 9340, 10635, 14010, 14180, 21270, 28020, 42540, 331103, 662206, 993309, 1324412, 1655515, 1986618, 3311030, 3973236, 4966545, 6622060, 9933090, 19866180]

約数ペア:

[(1, 19866180), (2, 9933090), (3, 6622060), (4, 4966545), (5, 3973236), (6, 3311030), (10, 1986618), (12, 1655515), (15, 1324412), (20, 993309), (30, 662206), (60, 331103), (467, 42540), (709, 28020), (934, 21270), (1401, 14180), (1418, 14010), (1868, 10635), (2127, 9340), (2335, 8508), (2802, 7090), (2836, 7005), (3545, 5604), (4254, 4670)]