18272787

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 27546624

約数和(自身を除く): 9273837

約数列:

[1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 1567, 3887, 4701, 11661, 20371, 36041, 61113, 108123, 264823, 468533, 794469, 1405599, 6090929, 18272787]

約数ペア:

[(1, 18272787), (3, 6090929), (13, 1405599), (23, 794469), (39, 468533), (69, 264823), (169, 108123), (299, 61113), (507, 36041), (897, 20371), (1567, 11661), (3887, 4701)]