18728555

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1093}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 23630400

約数和(自身を除く): 4901845

約数列:

[1, 5, 23, 115, 149, 745, 1093, 3427, 5465, 17135, 25139, 125695, 162857, 814285, 3745711, 18728555]

約数ペア:

[(1, 18728555), (5, 3745711), (23, 814285), (115, 162857), (149, 125695), (745, 25139), (1093, 17135), (3427, 5465)]