18883431

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8101}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 32019104

約数和(自身を除く): 13135673

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8101, 24303, 56707, 72909, 170121, 299737, 510363, 899211, 2098159, 2697633, 6294477, 18883431]

約数ペア:

[(1, 18883431), (3, 6294477), (7, 2697633), (9, 2098159), (21, 899211), (37, 510363), (63, 299737), (111, 170121), (259, 72909), (333, 56707), (777, 24303), (2331, 8101)]