18778497178

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9649793}}^1$

素因数の和:9649941

約数の個数: 16

約数和(自身を含む): 32423307840

約数和(自身を除く): 13644810662

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9649793, 19299586, 67548551, 135097102, 1341321227, 2682642454, 9389248589, 18778497178]

約数ペア:

[(1, 18778497178), (2, 9389248589), (7, 2682642454), (14, 1341321227), (139, 135097102), (278, 67548551), (973, 19299586), (1946, 9649793)]