15831218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 27350400

約数和(自身を除く): 11519182

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 439, 494, 878, 949, 1387, 1898, 2774, 5707, 8341, 11414, 16682, 18031, 32047, 36062, 64094, 108433, 216866, 416611, 608893, 833222, 1217786, 7915609, 15831218]

約数ペア:

[(1, 15831218), (2, 7915609), (13, 1217786), (19, 833222), (26, 608893), (38, 416611), (73, 216866), (146, 108433), (247, 64094), (439, 36062), (494, 32047), (878, 18031), (949, 16682), (1387, 11414), (1898, 8341), (2774, 5707)]