18784428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{120413}}^1$

素因数の和:120433

約数の個数: 24

約数和(自身を含む): 47202288

約数和(自身を除く): 28417860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 120413, 240826, 361239, 481652, 722478, 1444956, 1565369, 3130738, 4696107, 6261476, 9392214, 18784428]

約数ペア:

[(1, 18784428), (2, 9392214), (3, 6261476), (4, 4696107), (6, 3130738), (12, 1565369), (13, 1444956), (26, 722478), (39, 481652), (52, 361239), (78, 240826), (156, 120413)]