19807796

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 35557704

約数和(自身を除く): 15749908

約数列:

[1, 2, 4, 53, 106, 212, 233, 401, 466, 802, 932, 1604, 12349, 21253, 24698, 42506, 49396, 85012, 93433, 186866, 373732, 4951949, 9903898, 19807796]

約数ペア:

[(1, 19807796), (2, 9903898), (4, 4951949), (53, 373732), (106, 186866), (212, 93433), (233, 85012), (401, 49396), (466, 42506), (802, 24698), (932, 21253), (1604, 12349)]