18272865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 31893120

約数和(自身を除く): 13620255

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1129, 1245, 3237, 3387, 5395, 5645, 14677, 16185, 16935, 44031, 73385, 93707, 220155, 281121, 468535, 1218191, 1405605, 3654573, 6090955, 18272865]

約数ペア:

[(1, 18272865), (3, 6090955), (5, 3654573), (13, 1405605), (15, 1218191), (39, 468535), (65, 281121), (83, 220155), (195, 93707), (249, 73385), (415, 44031), (1079, 16935), (1129, 16185), (1245, 14677), (3237, 5645), (3387, 5395)]