18823985

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 23236416

約数和(自身を除く): 4412431

約数列:

[1, 5, 67, 83, 335, 415, 677, 3385, 5561, 27805, 45359, 56191, 226795, 280955, 3764797, 18823985]

約数ペア:

[(1, 18823985), (5, 3764797), (67, 280955), (83, 226795), (335, 56191), (415, 45359), (677, 27805), (3385, 5561)]