18671185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 26060832

約数和(自身を除く): 7389647

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 277, 305, 793, 1037, 1105, 1385, 3601, 3965, 4709, 5185, 13481, 16897, 18005, 23545, 61217, 67405, 84485, 219661, 287249, 306085, 1098305, 1436245, 3734237, 18671185]

約数ペア:

[(1, 18671185), (5, 3734237), (13, 1436245), (17, 1098305), (61, 306085), (65, 287249), (85, 219661), (221, 84485), (277, 67405), (305, 61217), (793, 23545), (1037, 18005), (1105, 16897), (1385, 13481), (3601, 5185), (3965, 4709)]