19625180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12421}}^1$

素因数の和:12509

約数の個数: 24

約数和(自身を含む): 41737920

約数和(自身を除く): 22112740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12421, 24842, 49684, 62105, 124210, 248420, 981259, 1962518, 3925036, 4906295, 9812590, 19625180]

約数ペア:

[(1, 19625180), (2, 9812590), (4, 4906295), (5, 3925036), (10, 1962518), (20, 981259), (79, 248420), (158, 124210), (316, 62105), (395, 49684), (790, 24842), (1580, 12421)]