19915623

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24317}}^1$

素因数の和:24343

約数の個数: 24

約数和(自身を含む): 35407008

約数和(自身を除く): 15491385

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24317, 72951, 170219, 218853, 316121, 510657, 948363, 1531971, 2212847, 2845089, 6638541, 19915623]

約数ペア:

[(1, 19915623), (3, 6638541), (7, 2845089), (9, 2212847), (13, 1531971), (21, 948363), (39, 510657), (63, 316121), (91, 218853), (117, 170219), (273, 72951), (819, 24317)]