18287025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 32706240

約数和(自身を除く): 14419215

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 205, 285, 313, 475, 615, 779, 939, 1025, 1425, 1565, 2337, 3075, 3895, 4695, 5947, 7825, 11685, 12833, 17841, 19475, 23475, 29735, 38499, 58425, 64165, 89205, 148675, 192495, 243827, 320825, 446025, 731481, 962475, 1219135, 3657405, 6095675, 18287025]

約数ペア:

[(1, 18287025), (3, 6095675), (5, 3657405), (15, 1219135), (19, 962475), (25, 731481), (41, 446025), (57, 320825), (75, 243827), (95, 192495), (123, 148675), (205, 89205), (285, 64165), (313, 58425), (475, 38499), (615, 29735), (779, 23475), (939, 19475), (1025, 17841), (1425, 12833), (1565, 11685), (2337, 7825), (3075, 5947), (3895, 4695)]