12721222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{10799}}^1$

素因数の和:10851

約数の個数: 16

約数和(自身を含む): 20736000

約数和(自身を除く): 8014778

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 10799, 21598, 205181, 334769, 410362, 669538, 6360611, 12721222]

約数ペア:

[(1, 12721222), (2, 6360611), (19, 669538), (31, 410362), (38, 334769), (62, 205181), (589, 21598), (1178, 10799)]