18086510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 36789984

約数和(自身を除く): 18703474

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 263, 299, 526, 529, 598, 1058, 1315, 1495, 2630, 2645, 2990, 3419, 5290, 6049, 6838, 6877, 12098, 13754, 17095, 30245, 34190, 34385, 60490, 68770, 78637, 139127, 157274, 278254, 393185, 695635, 786370, 1391270, 1808651, 3617302, 9043255, 18086510]

約数ペア:

[(1, 18086510), (2, 9043255), (5, 3617302), (10, 1808651), (13, 1391270), (23, 786370), (26, 695635), (46, 393185), (65, 278254), (115, 157274), (130, 139127), (230, 78637), (263, 68770), (299, 60490), (526, 34385), (529, 34190), (598, 30245), (1058, 17095), (1315, 13754), (1495, 12098), (2630, 6877), (2645, 6838), (2990, 6049), (3419, 5290)]