18518141

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 20217600

約数和(自身を除く): 1699459

約数列:

[1, 19, 47, 89, 233, 893, 1691, 4183, 4427, 10951, 20737, 79477, 208069, 394003, 974639, 18518141]

約数ペア:

[(1, 18518141), (19, 974639), (47, 394003), (89, 208069), (233, 79477), (893, 20737), (1691, 10951), (4183, 4427)]