18124820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3552

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 26563180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3499, 5180, 6998, 13996, 17495, 24493, 34990, 48986, 69980, 97972, 122465, 129463, 244930, 258926, 489860, 517852, 647315, 906241, 1294630, 1812482, 2589260, 3624964, 4531205, 9062410, 18124820]

約数ペア:

[(1, 18124820), (2, 9062410), (4, 4531205), (5, 3624964), (7, 2589260), (10, 1812482), (14, 1294630), (20, 906241), (28, 647315), (35, 517852), (37, 489860), (70, 258926), (74, 244930), (140, 129463), (148, 122465), (185, 97972), (259, 69980), (370, 48986), (518, 34990), (740, 24493), (1036, 17495), (1295, 13996), (2590, 6998), (3499, 5180)]