19161992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{140897}}^1$

素因数の和:140920

約数の個数: 16

約数和(自身を含む): 38042460

約数和(自身を除く): 18880468

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 140897, 281794, 563588, 1127176, 2395249, 4790498, 9580996, 19161992]

約数ペア:

[(1, 19161992), (2, 9580996), (4, 4790498), (8, 2395249), (17, 1127176), (34, 563588), (68, 281794), (136, 140897)]