18139160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34883}}^1$

素因数の和:34907

約数の個数: 32

約数和(自身を含む): 43953840

約数和(自身を除く): 25814680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34883, 69766, 139532, 174415, 279064, 348830, 453479, 697660, 906958, 1395320, 1813916, 2267395, 3627832, 4534790, 9069580, 18139160]

約数ペア:

[(1, 18139160), (2, 9069580), (4, 4534790), (5, 3627832), (8, 2267395), (10, 1813916), (13, 1395320), (20, 906958), (26, 697660), (40, 453479), (52, 348830), (65, 279064), (104, 174415), (130, 139532), (260, 69766), (520, 34883)]