18778897

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 21392640

約数和(自身を除く): 2613743

約数列:

[1, 17, 19, 47, 323, 799, 893, 1237, 15181, 21029, 23503, 58139, 399551, 988363, 1104641, 18778897]

約数ペア:

[(1, 18778897), (17, 1104641), (19, 988363), (47, 399551), (323, 58139), (799, 23503), (893, 21029), (1237, 15181)]