19080900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 63329280

約数和(自身を除く): 44248380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 90, 100, 108, 111, 135, 148, 150, 180, 185, 191, 222, 225, 270, 300, 333, 370, 382, 444, 450, 540, 555, 573, 666, 675, 740, 764, 900, 925, 955, 999, 1110, 1146, 1332, 1350, 1665, 1719, 1850, 1910, 1998, 2220, 2292, 2700, 2775, 2865, 3330, 3438, 3700, 3820, 3996, 4775, 4995, 5157, 5550, 5730, 6660, 6876, 7067, 8325, 8595, 9550, 9990, 10314, 11100, 11460, 14134, 14325, 16650, 17190, 19100, 19980, 20628, 21201, 24975, 25785, 28268, 28650, 33300, 34380, 35335, 42402, 42975, 49950, 51570, 57300, 63603, 70670, 84804, 85950, 99900, 103140, 106005, 127206, 128925, 141340, 171900, 176675, 190809, 212010, 254412, 257850, 318015, 353350, 381618, 424020, 515700, 530025, 636030, 706700, 763236, 954045, 1060050, 1272060, 1590075, 1908090, 2120100, 3180150, 3816180, 4770225, 6360300, 9540450, 19080900]

約数ペア:

[(1, 19080900), (2, 9540450), (3, 6360300), (4, 4770225), (5, 3816180), (6, 3180150), (9, 2120100), (10, 1908090), (12, 1590075), (15, 1272060), (18, 1060050), (20, 954045), (25, 763236), (27, 706700), (30, 636030), (36, 530025), (37, 515700), (45, 424020), (50, 381618), (54, 353350), (60, 318015), (74, 257850), (75, 254412), (90, 212010), (100, 190809), (108, 176675), (111, 171900), (135, 141340), (148, 128925), (150, 127206), (180, 106005), (185, 103140), (191, 99900), (222, 85950), (225, 84804), (270, 70670), (300, 63603), (333, 57300), (370, 51570), (382, 49950), (444, 42975), (450, 42402), (540, 35335), (555, 34380), (573, 33300), (666, 28650), (675, 28268), (740, 25785), (764, 24975), (900, 21201), (925, 20628), (955, 19980), (999, 19100), (1110, 17190), (1146, 16650), (1332, 14325), (1350, 14134), (1665, 11460), (1719, 11100), (1850, 10314), (1910, 9990), (1998, 9550), (2220, 8595), (2292, 8325), (2700, 7067), (2775, 6876), (2865, 6660), (3330, 5730), (3438, 5550), (3700, 5157), (3820, 4995), (3996, 4775)]