18675140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7717}}^1$

素因数の和:7748

約数の個数: 36

約数和(自身を含む): 43112748

約数和(自身を除く): 24437608

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7717, 15434, 30868, 38585, 77170, 84887, 154340, 169774, 339548, 424435, 848870, 933757, 1697740, 1867514, 3735028, 4668785, 9337570, 18675140]

約数ペア:

[(1, 18675140), (2, 9337570), (4, 4668785), (5, 3735028), (10, 1867514), (11, 1697740), (20, 933757), (22, 848870), (44, 424435), (55, 339548), (110, 169774), (121, 154340), (220, 84887), (242, 77170), (484, 38585), (605, 30868), (1210, 15434), (2420, 7717)]