18674864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89783}}^1$

素因数の和:89804

約数の個数: 20

約数和(自身を含む): 38966256

約数和(自身を除く): 20291392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89783, 179566, 359132, 718264, 1167179, 1436528, 2334358, 4668716, 9337432, 18674864]

約数ペア:

[(1, 18674864), (2, 9337432), (4, 4668716), (8, 2334358), (13, 1436528), (16, 1167179), (26, 718264), (52, 359132), (104, 179566), (208, 89783)]