19690256

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{14827}}^1$

素因数の和:14918

約数の個数: 20

約数和(自身を含む): 38612112

約数和(自身を除く): 18921856

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 14827, 29654, 59308, 118616, 237232, 1230641, 2461282, 4922564, 9845128, 19690256]

約数ペア:

[(1, 19690256), (2, 9845128), (4, 4922564), (8, 2461282), (16, 1230641), (83, 237232), (166, 118616), (332, 59308), (664, 29654), (1328, 14827)]