19708288

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2042

約数の個数: 32

約数和(自身を含む): 39780000

約数和(自身を除く): 20071712

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 1949, 2528, 3898, 5056, 7796, 10112, 15592, 31184, 62368, 124736, 153971, 249472, 307942, 615884, 1231768, 2463536, 4927072, 9854144, 19708288]

約数ペア:

[(1, 19708288), (2, 9854144), (4, 4927072), (8, 2463536), (16, 1231768), (32, 615884), (64, 307942), (79, 249472), (128, 153971), (158, 124736), (316, 62368), (632, 31184), (1264, 15592), (1949, 10112), (2528, 7796), (3898, 5056)]