18243393

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 29362176

約数和(自身を除く): 11118783

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 353, 483, 749, 1059, 2247, 2461, 2471, 7383, 7413, 8119, 17227, 24357, 37771, 51681, 56833, 113313, 170499, 264397, 793191, 868733, 2606199, 6081131, 18243393]

約数ペア:

[(1, 18243393), (3, 6081131), (7, 2606199), (21, 868733), (23, 793191), (69, 264397), (107, 170499), (161, 113313), (321, 56833), (353, 51681), (483, 37771), (749, 24357), (1059, 17227), (2247, 8119), (2461, 7413), (2471, 7383)]