18764564

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51551}}^1$

素因数の和:51575

約数の個数: 24

約数和(自身を含む): 40416768

約数和(自身を除く): 21652204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51551, 103102, 206204, 360857, 670163, 721714, 1340326, 1443428, 2680652, 4691141, 9382282, 18764564]

約数ペア:

[(1, 18764564), (2, 9382282), (4, 4691141), (7, 2680652), (13, 1443428), (14, 1340326), (26, 721714), (28, 670163), (52, 360857), (91, 206204), (182, 103102), (364, 51551)]