19671536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64709}}^1$

素因数の和:64736

約数の個数: 20

約数和(自身を含む): 40120200

約数和(自身を除く): 20448664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64709, 129418, 258836, 517672, 1035344, 1229471, 2458942, 4917884, 9835768, 19671536]

約数ペア:

[(1, 19671536), (2, 9835768), (4, 4917884), (8, 2458942), (16, 1229471), (19, 1035344), (38, 517672), (76, 258836), (152, 129418), (304, 64709)]