19677213

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4133}}^1$

素因数の和:4185

約数の個数: 18

約数和(自身を含む): 29719326

約数和(自身を除く): 10042113

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4133, 4761, 12399, 37197, 95059, 285177, 855531, 2186357, 6559071, 19677213]

約数ペア:

[(1, 19677213), (3, 6559071), (9, 2186357), (23, 855531), (69, 285177), (207, 95059), (529, 37197), (1587, 12399), (4133, 4761)]