19766180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2393}}^1$

素因数の和:2468

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 28496860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2393, 4130, 4786, 8260, 9572, 11965, 16751, 23930, 33502, 47860, 67004, 83755, 141187, 167510, 282374, 335020, 564748, 705935, 988309, 1411870, 1976618, 2823740, 3953236, 4941545, 9883090, 19766180]

約数ペア:

[(1, 19766180), (2, 9883090), (4, 4941545), (5, 3953236), (7, 2823740), (10, 1976618), (14, 1411870), (20, 988309), (28, 705935), (35, 564748), (59, 335020), (70, 282374), (118, 167510), (140, 141187), (236, 83755), (295, 67004), (413, 47860), (590, 33502), (826, 23930), (1180, 16751), (1652, 11965), (2065, 9572), (2393, 8260), (4130, 4786)]