19916368

素因数分解:

$2^4\times {\mathrm{1063}}^1\times {\mathrm{1171}}^1$

素因数の和:2242

約数の個数: 20

約数和(自身を含む): 38657248

約数和(自身を除く): 18740880

約数列:

[1, 2, 4, 8, 16, 1063, 1171, 2126, 2342, 4252, 4684, 8504, 9368, 17008, 18736, 1244773, 2489546, 4979092, 9958184, 19916368]

約数ペア:

[(1, 19916368), (2, 9958184), (4, 4979092), (8, 2489546), (16, 1244773), (1063, 18736), (1171, 17008), (2126, 9368), (2342, 8504), (4252, 4684)]