18741573

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 29023488

約数和(自身を除く): 10281915

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2447, 2553, 7341, 7659, 22023, 56281, 90539, 168843, 271617, 506529, 814851, 2082397, 6247191, 18741573]

約数ペア:

[(1, 18741573), (3, 6247191), (9, 2082397), (23, 814851), (37, 506529), (69, 271617), (111, 168843), (207, 90539), (333, 56281), (851, 22023), (2447, 7659), (2553, 7341)]