18581242

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 28425600

約数和(自身を除く): 9844358

約数列:

[1, 2, 89, 139, 178, 278, 751, 1502, 12371, 24742, 66839, 104389, 133678, 208778, 9290621, 18581242]

約数ペア:

[(1, 18581242), (2, 9290621), (89, 208778), (139, 133678), (178, 104389), (278, 66839), (751, 24742), (1502, 12371)]