18999564

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 48124272

約数和(自身を除く): 29124708

約数列:

[1, 2, 3, 4, 6, 12, 23, 41, 46, 69, 73, 82, 92, 123, 138, 146, 164, 219, 246, 276, 292, 438, 492, 529, 876, 943, 1058, 1587, 1679, 1886, 2116, 2829, 2993, 3174, 3358, 3772, 5037, 5658, 5986, 6348, 6716, 8979, 10074, 11316, 11972, 17958, 20148, 21689, 35916, 38617, 43378, 65067, 68839, 77234, 86756, 115851, 130134, 137678, 154468, 206517, 231702, 260268, 275356, 413034, 463404, 826068, 1583297, 3166594, 4749891, 6333188, 9499782, 18999564]

約数ペア:

[(1, 18999564), (2, 9499782), (3, 6333188), (4, 4749891), (6, 3166594), (12, 1583297), (23, 826068), (41, 463404), (46, 413034), (69, 275356), (73, 260268), (82, 231702), (92, 206517), (123, 154468), (138, 137678), (146, 130134), (164, 115851), (219, 86756), (246, 77234), (276, 68839), (292, 65067), (438, 43378), (492, 38617), (529, 35916), (876, 21689), (943, 20148), (1058, 17958), (1587, 11972), (1679, 11316), (1886, 10074), (2116, 8979), (2829, 6716), (2993, 6348), (3174, 5986), (3358, 5658), (3772, 5037)]