19873020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331217}}^1$

素因数の和:331229

約数の個数: 24

約数和(自身を含む): 55644624

約数和(自身を除く): 35771604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331217, 662434, 993651, 1324868, 1656085, 1987302, 3312170, 3974604, 4968255, 6624340, 9936510, 19873020]

約数ペア:

[(1, 19873020), (2, 9936510), (3, 6624340), (4, 4968255), (5, 3974604), (6, 3312170), (10, 1987302), (12, 1656085), (15, 1324868), (20, 993651), (30, 662434), (60, 331217)]