11958980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 28848960

約数和(自身を除く): 16889980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2861, 4180, 5722, 11444, 14305, 28610, 31471, 54359, 57220, 62942, 108718, 125884, 157355, 217436, 271795, 314710, 543590, 597949, 629420, 1087180, 1195898, 2391796, 2989745, 5979490, 11958980]

約数ペア:

[(1, 11958980), (2, 5979490), (4, 2989745), (5, 2391796), (10, 1195898), (11, 1087180), (19, 629420), (20, 597949), (22, 543590), (38, 314710), (44, 271795), (55, 217436), (76, 157355), (95, 125884), (110, 108718), (190, 62942), (209, 57220), (220, 54359), (380, 31471), (418, 28610), (836, 14305), (1045, 11444), (2090, 5722), (2861, 4180)]