19089900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{21211}}^1$

素因数の和:21231

約数の個数: 54

約数和(自身を含む): 59839052

約数和(自身を除く): 40749152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 21211, 42422, 63633, 84844, 106055, 127266, 190899, 212110, 254532, 318165, 381798, 424220, 530275, 636330, 763596, 954495, 1060550, 1272660, 1590825, 1908990, 2121100, 3181650, 3817980, 4772475, 6363300, 9544950, 19089900]

約数ペア:

[(1, 19089900), (2, 9544950), (3, 6363300), (4, 4772475), (5, 3817980), (6, 3181650), (9, 2121100), (10, 1908990), (12, 1590825), (15, 1272660), (18, 1060550), (20, 954495), (25, 763596), (30, 636330), (36, 530275), (45, 424220), (50, 381798), (60, 318165), (75, 254532), (90, 212110), (100, 190899), (150, 127266), (180, 106055), (225, 84844), (300, 63633), (450, 42422), (900, 21211)]