13018420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{34259}}^1$

素因数の和:34287

約数の個数: 24

約数和(自身を含む): 28778400

約数和(自身を除く): 15759980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 34259, 68518, 137036, 171295, 342590, 650921, 685180, 1301842, 2603684, 3254605, 6509210, 13018420]

約数ペア:

[(1, 13018420), (2, 6509210), (4, 3254605), (5, 2603684), (10, 1301842), (19, 685180), (20, 650921), (38, 342590), (76, 171295), (95, 137036), (190, 68518), (380, 34259)]