19933080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3863}}^1$

素因数の和:3920

約数の個数: 64

約数和(自身を含む): 61205760

約数和(自身を除く): 41272680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3863, 5160, 7726, 11589, 15452, 19315, 23178, 30904, 38630, 46356, 57945, 77260, 92712, 115890, 154520, 166109, 231780, 332218, 463560, 498327, 664436, 830545, 996654, 1328872, 1661090, 1993308, 2491635, 3322180, 3986616, 4983270, 6644360, 9966540, 19933080]

約数ペア:

[(1, 19933080), (2, 9966540), (3, 6644360), (4, 4983270), (5, 3986616), (6, 3322180), (8, 2491635), (10, 1993308), (12, 1661090), (15, 1328872), (20, 996654), (24, 830545), (30, 664436), (40, 498327), (43, 463560), (60, 332218), (86, 231780), (120, 166109), (129, 154520), (172, 115890), (215, 92712), (258, 77260), (344, 57945), (430, 46356), (516, 38630), (645, 30904), (860, 23178), (1032, 19315), (1290, 15452), (1720, 11589), (2580, 7726), (3863, 5160)]