18505216

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:834

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 19304864

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 769, 1504, 1538, 3008, 3076, 6016, 6152, 12032, 12304, 24064, 24608, 36143, 49216, 72286, 98432, 144572, 196864, 289144, 393728, 578288, 1156576, 2313152, 4626304, 9252608, 18505216]

約数ペア:

[(1, 18505216), (2, 9252608), (4, 4626304), (8, 2313152), (16, 1156576), (32, 578288), (47, 393728), (64, 289144), (94, 196864), (128, 144572), (188, 98432), (256, 72286), (376, 49216), (512, 36143), (752, 24608), (769, 24064), (1504, 12304), (1538, 12032), (3008, 6152), (3076, 6016)]