18935854

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 35721216

約数和(自身を除く): 16785362

約数列:

[1, 2, 7, 14, 23, 31, 46, 49, 62, 98, 161, 217, 271, 322, 434, 542, 713, 1127, 1426, 1519, 1897, 2254, 3038, 3794, 4991, 6233, 8401, 9982, 12466, 13279, 16802, 26558, 34937, 43631, 58807, 69874, 87262, 117614, 193223, 305417, 386446, 411649, 610834, 823298, 1352561, 2705122, 9467927, 18935854]

約数ペア:

[(1, 18935854), (2, 9467927), (7, 2705122), (14, 1352561), (23, 823298), (31, 610834), (46, 411649), (49, 386446), (62, 305417), (98, 193223), (161, 117614), (217, 87262), (271, 69874), (322, 58807), (434, 43631), (542, 34937), (713, 26558), (1127, 16802), (1426, 13279), (1519, 12466), (1897, 9982), (2254, 8401), (3038, 6233), (3794, 4991)]