18815433

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^3$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 31648512

約数和(自身を除く): 12833079

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1681, 3731, 5043, 11193, 11767, 21853, 35301, 65559, 68921, 152971, 206763, 458913, 482447, 895973, 1447341, 2687919, 6271811, 18815433]

約数ペア:

[(1, 18815433), (3, 6271811), (7, 2687919), (13, 1447341), (21, 895973), (39, 482447), (41, 458913), (91, 206763), (123, 152971), (273, 68921), (287, 65559), (533, 35301), (861, 21853), (1599, 11767), (1681, 11193), (3731, 5043)]