19389906

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1087}}^1$

素因数の和:2086

約数の個数: 24

約数和(自身を含む): 42092544

約数和(自身を除く): 22702638

約数列:

[1, 2, 3, 6, 9, 18, 991, 1087, 1982, 2174, 2973, 3261, 5946, 6522, 8919, 9783, 17838, 19566, 1077217, 2154434, 3231651, 6463302, 9694953, 19389906]

約数ペア:

[(1, 19389906), (2, 9694953), (3, 6463302), (6, 3231651), (9, 2154434), (18, 1077217), (991, 19566), (1087, 17838), (1982, 9783), (2174, 8919), (2973, 6522), (3261, 5946)]