19553488

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16741}}^1$

素因数の和:16822

約数の個数: 20

約数和(自身を含む): 38406148

約数和(自身を除く): 18852660

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16741, 33482, 66964, 133928, 267856, 1222093, 2444186, 4888372, 9776744, 19553488]

約数ペア:

[(1, 19553488), (2, 9776744), (4, 4888372), (8, 2444186), (16, 1222093), (73, 267856), (146, 133928), (292, 66964), (584, 33482), (1168, 16741)]