18161264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5431}}^1$

素因数の和:5469

約数の個数: 40

約数和(自身を含む): 40414080

約数和(自身を除く): 22252816

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5431, 10862, 21724, 43448, 59741, 86896, 103189, 119482, 206378, 238964, 412756, 477928, 825512, 955856, 1135079, 1651024, 2270158, 4540316, 9080632, 18161264]

約数ペア:

[(1, 18161264), (2, 9080632), (4, 4540316), (8, 2270158), (11, 1651024), (16, 1135079), (19, 955856), (22, 825512), (38, 477928), (44, 412756), (76, 238964), (88, 206378), (152, 119482), (176, 103189), (209, 86896), (304, 59741), (418, 43448), (836, 21724), (1672, 10862), (3344, 5431)]