18361720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35311}}^1$

素因数の和:35335

約数の個数: 32

約数和(自身を含む): 44493120

約数和(自身を除く): 26131400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35311, 70622, 141244, 176555, 282488, 353110, 459043, 706220, 918086, 1412440, 1836172, 2295215, 3672344, 4590430, 9180860, 18361720]

約数ペア:

[(1, 18361720), (2, 9180860), (4, 4590430), (5, 3672344), (8, 2295215), (10, 1836172), (13, 1412440), (20, 918086), (26, 706220), (40, 459043), (52, 353110), (65, 282488), (104, 176555), (130, 141244), (260, 70622), (520, 35311)]