18834608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 42663936

約数和(自身を除く): 23829328

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 46, 52, 62, 92, 104, 124, 127, 184, 208, 248, 254, 299, 368, 403, 496, 508, 598, 713, 806, 1016, 1196, 1426, 1612, 1651, 2032, 2392, 2852, 2921, 3224, 3302, 3937, 4784, 5704, 5842, 6448, 6604, 7874, 9269, 11408, 11684, 13208, 15748, 18538, 23368, 26416, 31496, 37076, 37973, 46736, 51181, 62992, 74152, 75946, 90551, 102362, 148304, 151892, 181102, 204724, 303784, 362204, 409448, 607568, 724408, 818896, 1177163, 1448816, 2354326, 4708652, 9417304, 18834608]

約数ペア:

[(1, 18834608), (2, 9417304), (4, 4708652), (8, 2354326), (13, 1448816), (16, 1177163), (23, 818896), (26, 724408), (31, 607568), (46, 409448), (52, 362204), (62, 303784), (92, 204724), (104, 181102), (124, 151892), (127, 148304), (184, 102362), (208, 90551), (248, 75946), (254, 74152), (299, 62992), (368, 51181), (403, 46736), (496, 37973), (508, 37076), (598, 31496), (713, 26416), (806, 23368), (1016, 18538), (1196, 15748), (1426, 13208), (1612, 11684), (1651, 11408), (2032, 9269), (2392, 7874), (2852, 6604), (2921, 6448), (3224, 5842), (3302, 5704), (3937, 4784)]