19735950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 54684000

約数和(自身を除く): 34948050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 29, 30, 39, 50, 58, 65, 75, 78, 87, 130, 145, 150, 174, 195, 290, 325, 349, 377, 390, 435, 650, 698, 725, 754, 870, 975, 1047, 1131, 1450, 1745, 1885, 1950, 2094, 2175, 2262, 3490, 3770, 4350, 4537, 5235, 5655, 8725, 9074, 9425, 10121, 10470, 11310, 13611, 17450, 18850, 20242, 22685, 26175, 27222, 28275, 30363, 45370, 50605, 52350, 56550, 60726, 68055, 101210, 113425, 131573, 136110, 151815, 226850, 253025, 263146, 303630, 340275, 394719, 506050, 657865, 680550, 759075, 789438, 1315730, 1518150, 1973595, 3289325, 3947190, 6578650, 9867975, 19735950]

約数ペア:

[(1, 19735950), (2, 9867975), (3, 6578650), (5, 3947190), (6, 3289325), (10, 1973595), (13, 1518150), (15, 1315730), (25, 789438), (26, 759075), (29, 680550), (30, 657865), (39, 506050), (50, 394719), (58, 340275), (65, 303630), (75, 263146), (78, 253025), (87, 226850), (130, 151815), (145, 136110), (150, 131573), (174, 113425), (195, 101210), (290, 68055), (325, 60726), (349, 56550), (377, 52350), (390, 50605), (435, 45370), (650, 30363), (698, 28275), (725, 27222), (754, 26175), (870, 22685), (975, 20242), (1047, 18850), (1131, 17450), (1450, 13611), (1745, 11310), (1885, 10470), (1950, 10121), (2094, 9425), (2175, 9074), (2262, 8725), (3490, 5655), (3770, 5235), (4350, 4537)]