18915568

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1049}}^1$

素因数の和:1094

約数の個数: 60

約数和(自身を含む): 44528400

約数和(自身を除く): 25612832

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1049, 1127, 1288, 2098, 2254, 2576, 4196, 4508, 7343, 8392, 9016, 14686, 16784, 18032, 24127, 29372, 48254, 51401, 58744, 96508, 102802, 117488, 168889, 193016, 205604, 337778, 386032, 411208, 675556, 822416, 1182223, 1351112, 2364446, 2702224, 4728892, 9457784, 18915568]

約数ペア:

[(1, 18915568), (2, 9457784), (4, 4728892), (7, 2702224), (8, 2364446), (14, 1351112), (16, 1182223), (23, 822416), (28, 675556), (46, 411208), (49, 386032), (56, 337778), (92, 205604), (98, 193016), (112, 168889), (161, 117488), (184, 102802), (196, 96508), (322, 58744), (368, 51401), (392, 48254), (644, 29372), (784, 24127), (1049, 18032), (1127, 16784), (1288, 14686), (2098, 9016), (2254, 8392), (2576, 7343), (4196, 4508)]