18694951

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 21733920

約数和(自身を除く): 3038969

約数列:

[1, 11, 17, 187, 257, 389, 2827, 4279, 4369, 6613, 48059, 72743, 99973, 1099703, 1699541, 18694951]

約数ペア:

[(1, 18694951), (11, 1699541), (17, 1099703), (187, 99973), (257, 72743), (389, 48059), (2827, 6613), (4279, 4369)]