18408533

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 23466240

約数和(自身を除く): 5057707

約数列:

[1, 11, 13, 23, 29, 143, 193, 253, 299, 319, 377, 667, 2123, 2509, 3289, 4147, 4439, 5597, 7337, 8671, 27599, 48829, 57707, 61567, 72761, 95381, 128731, 634777, 800371, 1416041, 1673503, 18408533]

約数ペア:

[(1, 18408533), (11, 1673503), (13, 1416041), (23, 800371), (29, 634777), (143, 128731), (193, 95381), (253, 72761), (299, 61567), (319, 57707), (377, 48829), (667, 27599), (2123, 8671), (2509, 7337), (3289, 5597), (4147, 4439)]