19009611

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{419}}^1$

素因数の和:567

約数の個数: 18

約数和(自身を含む): 27916980

約数和(自身を除く): 8907369

約数列:

[1, 3, 9, 71, 213, 419, 639, 1257, 3771, 5041, 15123, 29749, 45369, 89247, 267741, 2112179, 6336537, 19009611]

約数ペア:

[(1, 19009611), (3, 6336537), (9, 2112179), (71, 267741), (213, 89247), (419, 45369), (639, 29749), (1257, 15123), (3771, 5041)]