19351984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71147}}^1$

素因数の和:71172

約数の個数: 20

約数和(自身を含む): 39700584

約数和(自身を除く): 20348600

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71147, 142294, 284588, 569176, 1138352, 1209499, 2418998, 4837996, 9675992, 19351984]

約数ペア:

[(1, 19351984), (2, 9675992), (4, 4837996), (8, 2418998), (16, 1209499), (17, 1138352), (34, 569176), (68, 284588), (136, 142294), (272, 71147)]