19460781

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 28853760

約数和(自身を除く): 9392979

約数列:

[1, 3, 9, 79, 101, 237, 271, 303, 711, 813, 909, 2439, 7979, 21409, 23937, 27371, 64227, 71811, 82113, 192681, 246339, 2162309, 6486927, 19460781]

約数ペア:

[(1, 19460781), (3, 6486927), (9, 2162309), (79, 246339), (101, 192681), (237, 82113), (271, 71811), (303, 64227), (711, 27371), (813, 23937), (909, 21409), (2439, 7979)]