18380140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11633}}^1$

素因数の和:11721

約数の個数: 24

約数和(自身を含む): 39090240

約数和(自身を除く): 20710100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11633, 23266, 46532, 58165, 116330, 232660, 919007, 1838014, 3676028, 4595035, 9190070, 18380140]

約数ペア:

[(1, 18380140), (2, 9190070), (4, 4595035), (5, 3676028), (10, 1838014), (20, 919007), (79, 232660), (158, 116330), (316, 58165), (395, 46532), (790, 23266), (1580, 11633)]