19880463

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6607}}^1$

素因数の和:6686

約数の個数: 16

約数和(自身を含む): 28546560

約数和(自身を除く): 8666097

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 6607, 19821, 112319, 336957, 389813, 1169439, 6626821, 19880463]

約数ペア:

[(1, 19880463), (3, 6626821), (17, 1169439), (51, 389813), (59, 336957), (177, 112319), (1003, 19821), (3009, 6607)]