19857168

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1976

約数の個数: 60

約数和(自身を含む): 56363580

約数和(自身を除く): 36506412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 1889, 2628, 3504, 3778, 5256, 5667, 7556, 10512, 11334, 15112, 17001, 22668, 30224, 34002, 45336, 68004, 90672, 136008, 137897, 272016, 275794, 413691, 551588, 827382, 1103176, 1241073, 1654764, 2206352, 2482146, 3309528, 4964292, 6619056, 9928584, 19857168]

約数ペア:

[(1, 19857168), (2, 9928584), (3, 6619056), (4, 4964292), (6, 3309528), (8, 2482146), (9, 2206352), (12, 1654764), (16, 1241073), (18, 1103176), (24, 827382), (36, 551588), (48, 413691), (72, 275794), (73, 272016), (144, 137897), (146, 136008), (219, 90672), (292, 68004), (438, 45336), (584, 34002), (657, 30224), (876, 22668), (1168, 17001), (1314, 15112), (1752, 11334), (1889, 10512), (2628, 7556), (3504, 5667), (3778, 5256)]