19983536

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21169}}^1$

素因数の和:21236

約数の個数: 20

約数和(自身を含む): 39376200

約数和(自身を除く): 19392664

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21169, 42338, 84676, 169352, 338704, 1248971, 2497942, 4995884, 9991768, 19983536]

約数ペア:

[(1, 19983536), (2, 9991768), (4, 4995884), (8, 2497942), (16, 1248971), (59, 338704), (118, 169352), (236, 84676), (472, 42338), (944, 21169)]