18587504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89363}}^1$

素因数の和:89384

約数の個数: 20

約数和(自身を含む): 38783976

約数和(自身を除く): 20196472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89363, 178726, 357452, 714904, 1161719, 1429808, 2323438, 4646876, 9293752, 18587504]

約数ペア:

[(1, 18587504), (2, 9293752), (4, 4646876), (8, 2323438), (13, 1429808), (16, 1161719), (26, 714904), (52, 357452), (104, 178726), (208, 89363)]