19682060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12457}}^1$

素因数の和:12545

約数の個数: 24

約数和(自身を含む): 41858880

約数和(自身を除く): 22176820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12457, 24914, 49828, 62285, 124570, 249140, 984103, 1968206, 3936412, 4920515, 9841030, 19682060]

約数ペア:

[(1, 19682060), (2, 9841030), (4, 4920515), (5, 3936412), (10, 1968206), (20, 984103), (79, 249140), (158, 124570), (316, 62285), (395, 49828), (790, 24914), (1580, 12457)]