19118307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13249}}^1$

素因数の和:13302

約数の個数: 16

約数和(自身を含む): 28196000

約数和(自身を除く): 9077693

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 13249, 39747, 172237, 490213, 516711, 1470639, 6372769, 19118307]

約数ペア:

[(1, 19118307), (3, 6372769), (13, 1470639), (37, 516711), (39, 490213), (111, 172237), (481, 39747), (1443, 13249)]