19979192

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{15907}}^1$

素因数の和:16070

約数の個数: 16

約数和(自身を含む): 37701960

約数和(自身を除く): 17722768

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 15907, 31814, 63628, 127256, 2497399, 4994798, 9989596, 19979192]

約数ペア:

[(1, 19979192), (2, 9989596), (4, 4994798), (8, 2497399), (157, 127256), (314, 63628), (628, 31814), (1256, 15907)]