18476720

素因数分解:

$2^4\times 5^1\times {\mathrm{230959}}^1$

素因数の和:230972

約数の個数: 20

約数和(自身を含む): 42958560

約数和(自身を除く): 24481840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230959, 461918, 923836, 1154795, 1847672, 2309590, 3695344, 4619180, 9238360, 18476720]

約数ペア:

[(1, 18476720), (2, 9238360), (4, 4619180), (5, 3695344), (8, 2309590), (10, 1847672), (16, 1154795), (20, 923836), (40, 461918), (80, 230959)]