18065960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 46699200

約数和(自身を除く): 28633240

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2161, 4180, 4322, 8360, 8644, 10805, 17288, 21610, 23771, 41059, 43220, 47542, 82118, 86440, 95084, 118855, 164236, 190168, 205295, 237710, 328472, 410590, 451649, 475420, 821180, 903298, 950840, 1642360, 1806596, 2258245, 3613192, 4516490, 9032980, 18065960]

約数ペア:

[(1, 18065960), (2, 9032980), (4, 4516490), (5, 3613192), (8, 2258245), (10, 1806596), (11, 1642360), (19, 950840), (20, 903298), (22, 821180), (38, 475420), (40, 451649), (44, 410590), (55, 328472), (76, 237710), (88, 205295), (95, 190168), (110, 164236), (152, 118855), (190, 95084), (209, 86440), (220, 82118), (380, 47542), (418, 43220), (440, 41059), (760, 23771), (836, 21610), (1045, 17288), (1672, 10805), (2090, 8644), (2161, 8360), (4180, 4322)]