19778252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{719}}^1$

素因数の和:782

約数の個数: 36

約数和(自身を含む): 39019680

約数和(自身を除く): 19241428

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 529, 598, 719, 1058, 1196, 1438, 2116, 2876, 6877, 9347, 13754, 16537, 18694, 27508, 33074, 37388, 66148, 214981, 380351, 429962, 760702, 859924, 1521404, 4944563, 9889126, 19778252]

約数ペア:

[(1, 19778252), (2, 9889126), (4, 4944563), (13, 1521404), (23, 859924), (26, 760702), (46, 429962), (52, 380351), (92, 214981), (299, 66148), (529, 37388), (598, 33074), (719, 27508), (1058, 18694), (1196, 16537), (1438, 13754), (2116, 9347), (2876, 6877)]