18560048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89231}}^1$

素因数の和:89252

約数の個数: 20

約数和(自身を含む): 38726688

約数和(自身を除く): 20166640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89231, 178462, 356924, 713848, 1160003, 1427696, 2320006, 4640012, 9280024, 18560048]

約数ペア:

[(1, 18560048), (2, 9280024), (4, 4640012), (8, 2320006), (13, 1427696), (16, 1160003), (26, 713848), (52, 356924), (104, 178462), (208, 89231)]