19723347

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10099}}^1$

素因数の和:10143

約数の個数: 24

約数和(自身を含む): 33612800

約数和(自身を除く): 13889453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10099, 30297, 70693, 90891, 212079, 313069, 636237, 939207, 2191483, 2817621, 6574449, 19723347]

約数ペア:

[(1, 19723347), (3, 6574449), (7, 2817621), (9, 2191483), (21, 939207), (31, 636237), (63, 313069), (93, 212079), (217, 90891), (279, 70693), (651, 30297), (1953, 10099)]