19386894

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 40005504

約数和(自身を除く): 20618610

約数列:

[1, 2, 3, 6, 43, 86, 129, 163, 258, 326, 461, 489, 922, 978, 1383, 2766, 7009, 14018, 19823, 21027, 39646, 42054, 59469, 75143, 118938, 150286, 225429, 450858, 3231149, 6462298, 9693447, 19386894]

約数ペア:

[(1, 19386894), (2, 9693447), (3, 6462298), (6, 3231149), (43, 450858), (86, 225429), (129, 150286), (163, 118938), (258, 75143), (326, 59469), (461, 42054), (489, 39646), (922, 21027), (978, 19823), (1383, 14018), (2766, 7009)]