19365488

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10711}}^1$

素因数の和:10832

約数の個数: 20

約数和(自身を含む): 37856208

約数和(自身を除く): 18490720

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10711, 21422, 42844, 85688, 171376, 1210343, 2420686, 4841372, 9682744, 19365488]

約数ペア:

[(1, 19365488), (2, 9682744), (4, 4841372), (8, 2420686), (16, 1210343), (113, 171376), (226, 85688), (452, 42844), (904, 21422), (1808, 10711)]