19207802

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 24

約数和(自身を含む): 30642300

約数和(自身を除く): 11434498

約数列:

[1, 2, 29, 58, 61, 89, 122, 178, 1769, 2581, 3538, 3721, 5162, 5429, 7442, 10858, 107909, 157441, 215818, 314882, 331169, 662338, 9603901, 19207802]

約数ペア:

[(1, 19207802), (2, 9603901), (29, 662338), (58, 331169), (61, 314882), (89, 215818), (122, 157441), (178, 107909), (1769, 10858), (2581, 7442), (3538, 5429), (3721, 5162)]