18746013

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 30183552

約数和(自身を除く): 11437539

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1181, 1221, 1443, 3543, 5291, 12991, 15353, 15873, 38973, 43697, 46059, 131091, 168883, 480667, 506649, 568061, 1442001, 1704183, 6248671, 18746013]

約数ペア:

[(1, 18746013), (3, 6248671), (11, 1704183), (13, 1442001), (33, 568061), (37, 506649), (39, 480667), (111, 168883), (143, 131091), (407, 46059), (429, 43697), (481, 38973), (1181, 15873), (1221, 15353), (1443, 12991), (3543, 5291)]