18848170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 38390184

約数和(自身を除く): 19542014

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 370, 407, 421, 605, 814, 842, 1210, 2035, 2105, 4070, 4210, 4477, 4631, 8954, 9262, 15577, 22385, 23155, 31154, 44770, 46310, 50941, 77885, 101882, 155770, 171347, 254705, 342694, 509410, 856735, 1713470, 1884817, 3769634, 9424085, 18848170]

約数ペア:

[(1, 18848170), (2, 9424085), (5, 3769634), (10, 1884817), (11, 1713470), (22, 856735), (37, 509410), (55, 342694), (74, 254705), (110, 171347), (121, 155770), (185, 101882), (242, 77885), (370, 50941), (407, 46310), (421, 44770), (605, 31154), (814, 23155), (842, 22385), (1210, 15577), (2035, 9262), (2105, 8954), (4070, 4631), (4210, 4477)]