18949585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4019}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 24312960

約数和(自身を除く): 5363375

約数列:

[1, 5, 23, 41, 115, 205, 943, 4019, 4715, 20095, 92437, 164779, 462185, 823895, 3789917, 18949585]

約数ペア:

[(1, 18949585), (5, 3789917), (23, 823895), (41, 462185), (115, 164779), (205, 92437), (943, 20095), (4019, 4715)]