18690035

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41077}}^1$

素因数の和:41102

約数の個数: 16

約数和(自身を含む): 27604416

約数和(自身を除く): 8914381

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 41077, 205385, 287539, 534001, 1437695, 2670005, 3738007, 18690035]

約数ペア:

[(1, 18690035), (5, 3738007), (7, 2670005), (13, 1437695), (35, 534001), (65, 287539), (91, 205385), (455, 41077)]