18719560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24631}}^1$

素因数の和:24661

約数の個数: 32

約数和(自身を含む): 44337600

約数和(自身を除く): 25618040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24631, 49262, 98524, 123155, 197048, 246310, 467989, 492620, 935978, 985240, 1871956, 2339945, 3743912, 4679890, 9359780, 18719560]

約数ペア:

[(1, 18719560), (2, 9359780), (4, 4679890), (5, 3743912), (8, 2339945), (10, 1871956), (19, 985240), (20, 935978), (38, 492620), (40, 467989), (76, 246310), (95, 197048), (152, 123155), (190, 98524), (380, 49262), (760, 24631)]