17919992

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 34760880

約数和(自身を除く): 16840888

約数列:

[1, 2, 4, 8, 43, 86, 113, 172, 226, 344, 452, 461, 904, 922, 1844, 3688, 4859, 9718, 19436, 19823, 38872, 39646, 52093, 79292, 104186, 158584, 208372, 416744, 2239999, 4479998, 8959996, 17919992]

約数ペア:

[(1, 17919992), (2, 8959996), (4, 4479998), (8, 2239999), (43, 416744), (86, 208372), (113, 158584), (172, 104186), (226, 79292), (344, 52093), (452, 39646), (461, 38872), (904, 19823), (922, 19436), (1844, 9718), (3688, 4859)]