17938360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 44841600

約数和(自身を除く): 26903240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 691, 1180, 1298, 1382, 2360, 2596, 2764, 3245, 3455, 5192, 5528, 6490, 6910, 7601, 12980, 13820, 15202, 25960, 27640, 30404, 38005, 40769, 60808, 76010, 81538, 152020, 163076, 203845, 304040, 326152, 407690, 448459, 815380, 896918, 1630760, 1793836, 2242295, 3587672, 4484590, 8969180, 17938360]

約数ペア:

[(1, 17938360), (2, 8969180), (4, 4484590), (5, 3587672), (8, 2242295), (10, 1793836), (11, 1630760), (20, 896918), (22, 815380), (40, 448459), (44, 407690), (55, 326152), (59, 304040), (88, 203845), (110, 163076), (118, 152020), (220, 81538), (236, 76010), (295, 60808), (440, 40769), (472, 38005), (590, 30404), (649, 27640), (691, 25960), (1180, 15202), (1298, 13820), (1382, 12980), (2360, 7601), (2596, 6910), (2764, 6490), (3245, 5528), (3455, 5192)]