18729308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21187}}^1$

素因数の和:21221

約数の個数: 24

約数和(自身を含む): 37375632

約数和(自身を除く): 18646324

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21187, 42374, 84748, 275431, 360179, 550862, 720358, 1101724, 1440716, 4682327, 9364654, 18729308]

約数ペア:

[(1, 18729308), (2, 9364654), (4, 4682327), (13, 1440716), (17, 1101724), (26, 720358), (34, 550862), (52, 360179), (68, 275431), (221, 84748), (442, 42374), (884, 21187)]