18880113

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6863}}^1$

素因数の和:7004

約数の個数: 16

約数和(自身を含む): 28993536

約数和(自身を除く): 10113423

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 6863, 20589, 48041, 144123, 899053, 2697159, 6293371, 18880113]

約数ペア:

[(1, 18880113), (3, 6293371), (7, 2697159), (21, 899053), (131, 144123), (393, 48041), (917, 20589), (2751, 6863)]