18985500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4219}}^1$

素因数の和:4244

約数の個数: 72

約数和(自身を含む): 59907120

約数和(自身を除く): 40921620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4219, 4500, 8438, 12657, 16876, 21095, 25314, 37971, 42190, 50628, 63285, 75942, 84380, 105475, 126570, 151884, 189855, 210950, 253140, 316425, 379710, 421900, 527375, 632850, 759420, 949275, 1054750, 1265700, 1582125, 1898550, 2109500, 3164250, 3797100, 4746375, 6328500, 9492750, 18985500]

約数ペア:

[(1, 18985500), (2, 9492750), (3, 6328500), (4, 4746375), (5, 3797100), (6, 3164250), (9, 2109500), (10, 1898550), (12, 1582125), (15, 1265700), (18, 1054750), (20, 949275), (25, 759420), (30, 632850), (36, 527375), (45, 421900), (50, 379710), (60, 316425), (75, 253140), (90, 210950), (100, 189855), (125, 151884), (150, 126570), (180, 105475), (225, 84380), (250, 75942), (300, 63285), (375, 50628), (450, 42190), (500, 37971), (750, 25314), (900, 21095), (1125, 16876), (1500, 12657), (2250, 8438), (4219, 4500)]