19818887812

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{2243}}^1\times {\mathrm{21871}}^1$

素因数の和:24219

約数の個数: 24

約数和(自身を含む): 35043668352

約数和(自身を除く): 15224780540

約数列:

[1, 2, 4, 101, 202, 404, 2243, 4486, 8972, 21871, 43742, 87484, 226543, 453086, 906172, 2208971, 4417942, 8835884, 49056653, 98113306, 196226612, 4954721953, 9909443906, 19818887812]

約数ペア:

[(1, 19818887812), (2, 9909443906), (4, 4954721953), (101, 196226612), (202, 98113306), (404, 49056653), (2243, 8835884), (4486, 4417942), (8972, 2208971), (21871, 906172), (43742, 453086), (87484, 226543)]