17973995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 23716800

約数和(自身を除く): 5742805

約数列:

[1, 5, 13, 65, 89, 169, 239, 445, 845, 1157, 1195, 3107, 5785, 15041, 15535, 21271, 40391, 75205, 106355, 201955, 276523, 1382615, 3594799, 17973995]

約数ペア:

[(1, 17973995), (5, 3594799), (13, 1382615), (65, 276523), (89, 201955), (169, 106355), (239, 75205), (445, 40391), (845, 21271), (1157, 15535), (1195, 15041), (3107, 5785)]