18736263

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22877}}^1$

素因数の和:22903

約数の個数: 24

約数和(自身を含む): 33310368

約数和(自身を除く): 14574105

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 22877, 68631, 160139, 205893, 297401, 480417, 892203, 1441251, 2081807, 2676609, 6245421, 18736263]

約数ペア:

[(1, 18736263), (3, 6245421), (7, 2676609), (9, 2081807), (13, 1441251), (21, 892203), (39, 480417), (63, 297401), (91, 205893), (117, 160139), (273, 68631), (819, 22877)]