18821362

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 34243200

約数和(自身を除く): 15421838

約数列:

[1, 2, 7, 14, 19, 38, 133, 173, 266, 346, 409, 818, 1211, 2422, 2863, 3287, 5726, 6574, 7771, 15542, 23009, 46018, 54397, 70757, 108794, 141514, 495299, 990598, 1344383, 2688766, 9410681, 18821362]

約数ペア:

[(1, 18821362), (2, 9410681), (7, 2688766), (14, 1344383), (19, 990598), (38, 495299), (133, 141514), (173, 108794), (266, 70757), (346, 54397), (409, 46018), (818, 23009), (1211, 15542), (2422, 7771), (2863, 6574), (3287, 5726)]