19399862

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2183

約数の個数: 16

約数和(自身を含む): 30244992

約数和(自身を除く): 10845130

約数列:

[1, 2, 31, 62, 157, 314, 1993, 3986, 4867, 9734, 61783, 123566, 312901, 625802, 9699931, 19399862]

約数ペア:

[(1, 19399862), (2, 9699931), (31, 625802), (62, 312901), (157, 123566), (314, 61783), (1993, 9734), (3986, 4867)]