18925665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4987}}^1$

素因数の和:5029

約数の個数: 32

約数和(自身を含む): 34477056

約数和(自身を除く): 15551391

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 4987, 14961, 24935, 54857, 74805, 114701, 164571, 274285, 344103, 573505, 822855, 1261711, 1720515, 3785133, 6308555, 18925665]

約数ペア:

[(1, 18925665), (3, 6308555), (5, 3785133), (11, 1720515), (15, 1261711), (23, 822855), (33, 573505), (55, 344103), (69, 274285), (115, 164571), (165, 114701), (253, 74805), (345, 54857), (759, 24935), (1265, 14961), (3795, 4987)]