18268784

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4549}}^1$

素因数の和:4808

約数の個数: 20

約数和(自身を含む): 35544600

約数和(自身を除く): 17275816

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4549, 9098, 18196, 36392, 72784, 1141799, 2283598, 4567196, 9134392, 18268784]

約数ペア:

[(1, 18268784), (2, 9134392), (4, 4567196), (8, 2283598), (16, 1141799), (251, 72784), (502, 36392), (1004, 18196), (2008, 9098), (4016, 4549)]