19291623

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6967}}^1$

素因数の和:7054

約数の個数: 16

約数和(自身を含む): 28094976

約数和(自身を除く): 8803353

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 6967, 20901, 90571, 271713, 494657, 1483971, 6430541, 19291623]

約数ペア:

[(1, 19291623), (3, 6430541), (13, 1483971), (39, 494657), (71, 271713), (213, 90571), (923, 20901), (2769, 6967)]