18892223

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 22665216

約数和(自身を除く): 3772993

約数列:

[1, 7, 23, 161, 271, 433, 1897, 3031, 6233, 9959, 43631, 69713, 117343, 821401, 2698889, 18892223]

約数ペア:

[(1, 18892223), (7, 2698889), (23, 821401), (161, 117343), (271, 69713), (433, 43631), (1897, 9959), (3031, 6233)]