19368016

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{3943}}^1$

素因数の和:4258

約数の個数: 20

約数和(自身を含む): 37657312

約数和(自身を除く): 18289296

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 3943, 4912, 7886, 15772, 31544, 63088, 1210501, 2421002, 4842004, 9684008, 19368016]

約数ペア:

[(1, 19368016), (2, 9684008), (4, 4842004), (8, 2421002), (16, 1210501), (307, 63088), (614, 31544), (1228, 15772), (2456, 7886), (3943, 4912)]