18842120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 49555800

約数和(自身を除く): 30713680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 229, 242, 340, 374, 440, 458, 484, 605, 680, 748, 916, 935, 968, 1145, 1210, 1496, 1832, 1870, 2057, 2290, 2420, 2519, 3740, 3893, 4114, 4580, 4840, 5038, 7480, 7786, 8228, 9160, 10076, 10285, 12595, 15572, 16456, 19465, 20152, 20570, 25190, 27709, 31144, 38930, 41140, 42823, 50380, 55418, 77860, 82280, 85646, 100760, 110836, 138545, 155720, 171292, 214115, 221672, 277090, 342584, 428230, 471053, 554180, 856460, 942106, 1108360, 1712920, 1884212, 2355265, 3768424, 4710530, 9421060, 18842120]

約数ペア:

[(1, 18842120), (2, 9421060), (4, 4710530), (5, 3768424), (8, 2355265), (10, 1884212), (11, 1712920), (17, 1108360), (20, 942106), (22, 856460), (34, 554180), (40, 471053), (44, 428230), (55, 342584), (68, 277090), (85, 221672), (88, 214115), (110, 171292), (121, 155720), (136, 138545), (170, 110836), (187, 100760), (220, 85646), (229, 82280), (242, 77860), (340, 55418), (374, 50380), (440, 42823), (458, 41140), (484, 38930), (605, 31144), (680, 27709), (748, 25190), (916, 20570), (935, 20152), (968, 19465), (1145, 16456), (1210, 15572), (1496, 12595), (1832, 10285), (1870, 10076), (2057, 9160), (2290, 8228), (2420, 7786), (2519, 7480), (3740, 5038), (3893, 4840), (4114, 4580)]