18801189

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{359}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 31056480

約数和(自身を除く): 12255291

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 359, 529, 759, 1077, 1587, 2277, 3231, 3949, 4761, 5819, 8257, 11847, 17457, 24771, 35541, 52371, 74313, 90827, 189911, 272481, 569733, 817443, 1709199, 2089021, 6267063, 18801189]

約数ペア:

[(1, 18801189), (3, 6267063), (9, 2089021), (11, 1709199), (23, 817443), (33, 569733), (69, 272481), (99, 189911), (207, 90827), (253, 74313), (359, 52371), (529, 35541), (759, 24771), (1077, 17457), (1587, 11847), (2277, 8257), (3231, 5819), (3949, 4761)]