19903368

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 31807032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 113, 123, 164, 179, 226, 246, 328, 339, 358, 452, 492, 537, 678, 716, 904, 984, 1074, 1356, 1432, 2148, 2712, 4296, 4633, 7339, 9266, 13899, 14678, 18532, 20227, 22017, 27798, 29356, 37064, 40454, 44034, 55596, 58712, 60681, 80908, 88068, 111192, 121362, 161816, 176136, 242724, 485448, 829307, 1658614, 2487921, 3317228, 4975842, 6634456, 9951684, 19903368]

約数ペア:

[(1, 19903368), (2, 9951684), (3, 6634456), (4, 4975842), (6, 3317228), (8, 2487921), (12, 1658614), (24, 829307), (41, 485448), (82, 242724), (113, 176136), (123, 161816), (164, 121362), (179, 111192), (226, 88068), (246, 80908), (328, 60681), (339, 58712), (358, 55596), (452, 44034), (492, 40454), (537, 37064), (678, 29356), (716, 27798), (904, 22017), (984, 20227), (1074, 18532), (1356, 14678), (1432, 13899), (2148, 9266), (2712, 7339), (4296, 4633)]