19873340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58451}}^1$

素因数の和:58477

約数の個数: 24

約数和(自身を含む): 44189712

約数和(自身を除く): 24316372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58451, 116902, 233804, 292255, 584510, 993667, 1169020, 1987334, 3974668, 4968335, 9936670, 19873340]

約数ペア:

[(1, 19873340), (2, 9936670), (4, 4968335), (5, 3974668), (10, 1987334), (17, 1169020), (20, 993667), (34, 584510), (68, 292255), (85, 233804), (170, 116902), (340, 58451)]