19920879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6491}}^1$

素因数の和:6539

約数の個数: 24

約数和(自身を含む): 32408064

約数和(自身を除く): 12487185

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 6491, 19473, 58419, 71401, 201221, 214203, 603663, 642609, 1810989, 2213431, 6640293, 19920879]

約数ペア:

[(1, 19920879), (3, 6640293), (9, 2213431), (11, 1810989), (31, 642609), (33, 603663), (93, 214203), (99, 201221), (279, 71401), (341, 58419), (1023, 19473), (3069, 6491)]