18754468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{709}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 34889400

約数和(自身を除く): 16134932

約数列:

[1, 2, 4, 17, 34, 68, 389, 709, 778, 1418, 1556, 2836, 6613, 12053, 13226, 24106, 26452, 48212, 275801, 551602, 1103204, 4688617, 9377234, 18754468]

約数ペア:

[(1, 18754468), (2, 9377234), (4, 4688617), (17, 1103204), (34, 551602), (68, 275801), (389, 48212), (709, 26452), (778, 24106), (1418, 13226), (1556, 12053), (2836, 6613)]