18891900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{6997}}^1$

素因数の和:7020

約数の個数: 72

約数和(自身を含む): 60742640

約数和(自身を除く): 41850740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 6997, 13994, 20991, 27988, 34985, 41982, 62973, 69970, 83964, 104955, 125946, 139940, 174925, 188919, 209910, 251892, 314865, 349850, 377838, 419820, 524775, 629730, 699700, 755676, 944595, 1049550, 1259460, 1574325, 1889190, 2099100, 3148650, 3778380, 4722975, 6297300, 9445950, 18891900]

約数ペア:

[(1, 18891900), (2, 9445950), (3, 6297300), (4, 4722975), (5, 3778380), (6, 3148650), (9, 2099100), (10, 1889190), (12, 1574325), (15, 1259460), (18, 1049550), (20, 944595), (25, 755676), (27, 699700), (30, 629730), (36, 524775), (45, 419820), (50, 377838), (54, 349850), (60, 314865), (75, 251892), (90, 209910), (100, 188919), (108, 174925), (135, 139940), (150, 125946), (180, 104955), (225, 83964), (270, 69970), (300, 62973), (450, 41982), (540, 34985), (675, 27988), (900, 20991), (1350, 13994), (2700, 6997)]