18376047580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6521}}^1\times {\mathrm{12809}}^1$

素因数の和:19350

約数の個数: 48

約数和(自身を含む): 42107597280

約数和(自身を除く): 23731549700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6521, 12809, 13042, 25618, 26084, 32605, 51236, 64045, 65210, 71731, 128090, 130420, 140899, 143462, 256180, 281798, 286924, 358655, 563596, 704495, 717310, 1408990, 1434620, 2817980, 83527489, 167054978, 334109956, 417637445, 835274890, 918802379, 1670549780, 1837604758, 3675209516, 4594011895, 9188023790, 18376047580]

約数ペア:

[(1, 18376047580), (2, 9188023790), (4, 4594011895), (5, 3675209516), (10, 1837604758), (11, 1670549780), (20, 918802379), (22, 835274890), (44, 417637445), (55, 334109956), (110, 167054978), (220, 83527489), (6521, 2817980), (12809, 1434620), (13042, 1408990), (25618, 717310), (26084, 704495), (32605, 563596), (51236, 358655), (64045, 286924), (65210, 281798), (71731, 256180), (128090, 143462), (130420, 140899)]