19899129

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1619}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 28226880

約数和(自身を除く): 8327751

約数列:

[1, 3, 17, 51, 241, 723, 1619, 4097, 4857, 12291, 27523, 82569, 390179, 1170537, 6633043, 19899129]

約数ペア:

[(1, 19899129), (3, 6633043), (17, 1170537), (51, 390179), (241, 82569), (723, 27523), (1619, 12291), (4097, 4857)]