19820456

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 39501000

約数和(自身を除く): 19680544

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 1073, 2146, 2309, 4292, 4618, 8584, 9236, 18472, 66961, 85433, 133922, 170866, 267844, 341732, 535688, 683464, 2477557, 4955114, 9910228, 19820456]

約数ペア:

[(1, 19820456), (2, 9910228), (4, 4955114), (8, 2477557), (29, 683464), (37, 535688), (58, 341732), (74, 267844), (116, 170866), (148, 133922), (232, 85433), (296, 66961), (1073, 18472), (2146, 9236), (2309, 8584), (4292, 4618)]