18733220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7741}}^1$

素因数の和:7772

約数の個数: 36

約数和(自身を含む): 43246812

約数和(自身を除く): 24513592

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7741, 15482, 30964, 38705, 77410, 85151, 154820, 170302, 340604, 425755, 851510, 936661, 1703020, 1873322, 3746644, 4683305, 9366610, 18733220]

約数ペア:

[(1, 18733220), (2, 9366610), (4, 4683305), (5, 3746644), (10, 1873322), (11, 1703020), (20, 936661), (22, 851510), (44, 425755), (55, 340604), (110, 170302), (121, 154820), (220, 85151), (242, 77410), (484, 38705), (605, 30964), (1210, 15482), (2420, 7741)]