19189995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 34409760

約数和(自身を除く): 15219765

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 109, 121, 165, 291, 327, 363, 485, 545, 605, 1067, 1199, 1455, 1635, 1815, 3201, 3597, 5335, 5995, 10573, 11737, 13189, 16005, 17985, 31719, 35211, 39567, 52865, 58685, 65945, 116303, 158595, 176055, 197835, 348909, 581515, 1279333, 1744545, 3837999, 6396665, 19189995]

約数ペア:

[(1, 19189995), (3, 6396665), (5, 3837999), (11, 1744545), (15, 1279333), (33, 581515), (55, 348909), (97, 197835), (109, 176055), (121, 158595), (165, 116303), (291, 65945), (327, 58685), (363, 52865), (485, 39567), (545, 35211), (605, 31719), (1067, 17985), (1199, 16005), (1455, 13189), (1635, 11737), (1815, 10573), (3201, 5995), (3597, 5335)]