18366985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 27885312

約数和(自身を除く): 9518327

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1091, 1295, 2405, 3367, 5455, 7637, 14183, 16835, 38185, 40367, 70915, 99281, 201835, 282569, 496405, 524771, 1412845, 2623855, 3673397, 18366985]

約数ペア:

[(1, 18366985), (5, 3673397), (7, 2623855), (13, 1412845), (35, 524771), (37, 496405), (65, 282569), (91, 201835), (185, 99281), (259, 70915), (455, 40367), (481, 38185), (1091, 16835), (1295, 14183), (2405, 7637), (3367, 5455)]