198879536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{654209}}^1$

素因数の和:654236

約数の個数: 20

約数和(自身を含む): 405610200

約数和(自身を除く): 206730664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 654209, 1308418, 2616836, 5233672, 10467344, 12429971, 24859942, 49719884, 99439768, 198879536]

約数ペア:

[(1, 198879536), (2, 99439768), (4, 49719884), (8, 24859942), (16, 12429971), (19, 10467344), (38, 5233672), (76, 2616836), (152, 1308418), (304, 654209)]