18308755

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 24127488

約数和(自身を除く): 5818733

約数列:

[1, 5, 31, 41, 43, 67, 155, 205, 215, 335, 1271, 1333, 1763, 2077, 2747, 2881, 6355, 6665, 8815, 10385, 13735, 14405, 54653, 85157, 89311, 118121, 273265, 425785, 446555, 590605, 3661751, 18308755]

約数ペア:

[(1, 18308755), (5, 3661751), (31, 590605), (41, 446555), (43, 425785), (67, 273265), (155, 118121), (205, 89311), (215, 85157), (335, 54653), (1271, 14405), (1333, 13735), (1763, 10385), (2077, 8815), (2747, 6665), (2881, 6355)]