18612961180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{941}}^1\times {\mathrm{89909}}^1$

素因数の和:90870

約数の個数: 48

約数和(自身を含む): 42686390880

約数和(自身を除く): 24073429700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 941, 1882, 3764, 4705, 9410, 10351, 18820, 20702, 41404, 51755, 89909, 103510, 179818, 207020, 359636, 449545, 899090, 988999, 1798180, 1977998, 3955996, 4944995, 9889990, 19779980, 84604369, 169208738, 338417476, 423021845, 846043690, 930648059, 1692087380, 1861296118, 3722592236, 4653240295, 9306480590, 18612961180]

約数ペア:

[(1, 18612961180), (2, 9306480590), (4, 4653240295), (5, 3722592236), (10, 1861296118), (11, 1692087380), (20, 930648059), (22, 846043690), (44, 423021845), (55, 338417476), (110, 169208738), (220, 84604369), (941, 19779980), (1882, 9889990), (3764, 4944995), (4705, 3955996), (9410, 1977998), (10351, 1798180), (18820, 988999), (20702, 899090), (41404, 449545), (51755, 359636), (89909, 207020), (103510, 179818)]