18584540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71479}}^1$

素因数の和:71501

約数の個数: 24

約数和(自身を含む): 42030240

約数和(自身を除く): 23445700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71479, 142958, 285916, 357395, 714790, 929227, 1429580, 1858454, 3716908, 4646135, 9292270, 18584540]

約数ペア:

[(1, 18584540), (2, 9292270), (4, 4646135), (5, 3716908), (10, 1858454), (13, 1429580), (20, 929227), (26, 714790), (52, 357395), (65, 285916), (130, 142958), (260, 71479)]