18444981772

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{400943}}^1$

素因数の和:401038

約数の個数: 48

約数和(自身を含む): 38798548992

約数和(自身を除く): 20353567220

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 434, 742, 868, 1484, 1643, 3286, 6572, 11501, 23002, 46004, 400943, 801886, 1603772, 2806601, 5613202, 11226404, 12429233, 21249979, 24858466, 42499958, 49716932, 84999916, 87004631, 148749853, 174009262, 297499706, 348018524, 594999412, 658749349, 1317498698, 2634997396, 4611245443, 9222490886, 18444981772]

約数ペア:

[(1, 18444981772), (2, 9222490886), (4, 4611245443), (7, 2634997396), (14, 1317498698), (28, 658749349), (31, 594999412), (53, 348018524), (62, 297499706), (106, 174009262), (124, 148749853), (212, 87004631), (217, 84999916), (371, 49716932), (434, 42499958), (742, 24858466), (868, 21249979), (1484, 12429233), (1643, 11226404), (3286, 5613202), (6572, 2806601), (11501, 1603772), (23002, 801886), (46004, 400943)]