18789918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{709}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 43077120

約数和(自身を除く): 24287202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 631, 709, 1262, 1418, 1893, 2127, 3786, 4254, 4417, 4963, 8834, 9926, 13251, 14889, 26502, 29778, 447379, 894758, 1342137, 2684274, 3131653, 6263306, 9394959, 18789918]

約数ペア:

[(1, 18789918), (2, 9394959), (3, 6263306), (6, 3131653), (7, 2684274), (14, 1342137), (21, 894758), (42, 447379), (631, 29778), (709, 26502), (1262, 14889), (1418, 13251), (1893, 9926), (2127, 8834), (3786, 4963), (4254, 4417)]