19681800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{32803}}^1$

素因数の和:32822

約数の個数: 48

約数和(自身を含む): 61015440

約数和(自身を除く): 41333640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 32803, 65606, 98409, 131212, 164015, 196818, 262424, 328030, 393636, 492045, 656060, 787272, 820075, 984090, 1312120, 1640150, 1968180, 2460225, 3280300, 3936360, 4920450, 6560600, 9840900, 19681800]

約数ペア:

[(1, 19681800), (2, 9840900), (3, 6560600), (4, 4920450), (5, 3936360), (6, 3280300), (8, 2460225), (10, 1968180), (12, 1640150), (15, 1312120), (20, 984090), (24, 820075), (25, 787272), (30, 656060), (40, 492045), (50, 393636), (60, 328030), (75, 262424), (100, 196818), (120, 164015), (150, 131212), (200, 98409), (300, 65606), (600, 32803)]