18818140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3719}}^1$

素因数の和:3762

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 26178980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3719, 5060, 7438, 14876, 18595, 37190, 40909, 74380, 81818, 85537, 163636, 171074, 204545, 342148, 409090, 427685, 818180, 855370, 940907, 1710740, 1881814, 3763628, 4704535, 9409070, 18818140]

約数ペア:

[(1, 18818140), (2, 9409070), (4, 4704535), (5, 3763628), (10, 1881814), (11, 1710740), (20, 940907), (22, 855370), (23, 818180), (44, 427685), (46, 409090), (55, 342148), (92, 204545), (110, 171074), (115, 163636), (220, 85537), (230, 81818), (253, 74380), (460, 40909), (506, 37190), (1012, 18595), (1265, 14876), (2530, 7438), (3719, 5060)]