18014120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6343}}^1$

素因数の和:6425

約数の個数: 32

約数和(自身を含む): 41109120

約数和(自身を除く): 23095000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6343, 12686, 25372, 31715, 50744, 63430, 126860, 253720, 450353, 900706, 1801412, 2251765, 3602824, 4503530, 9007060, 18014120]

約数ペア:

[(1, 18014120), (2, 9007060), (4, 4503530), (5, 3602824), (8, 2251765), (10, 1801412), (20, 900706), (40, 450353), (71, 253720), (142, 126860), (284, 63430), (355, 50744), (568, 31715), (710, 25372), (1420, 12686), (2840, 6343)]