18696140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11833}}^1$

素因数の和:11921

約数の個数: 24

約数和(自身を含む): 39762240

約数和(自身を除く): 21066100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11833, 23666, 47332, 59165, 118330, 236660, 934807, 1869614, 3739228, 4674035, 9348070, 18696140]

約数ペア:

[(1, 18696140), (2, 9348070), (4, 4674035), (5, 3739228), (10, 1869614), (20, 934807), (79, 236660), (158, 118330), (316, 59165), (395, 47332), (790, 23666), (1580, 11833)]