18759004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1181}}^1$

素因数の和:1234

約数の個数: 36

約数和(自身を含む): 37828728

約数和(自身を除く): 19069724

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1181, 1444, 2362, 3971, 4724, 7942, 12991, 15884, 22439, 25982, 44878, 51964, 89756, 246829, 426341, 493658, 852682, 987316, 1705364, 4689751, 9379502, 18759004]

約数ペア:

[(1, 18759004), (2, 9379502), (4, 4689751), (11, 1705364), (19, 987316), (22, 852682), (38, 493658), (44, 426341), (76, 246829), (209, 89756), (361, 51964), (418, 44878), (722, 25982), (836, 22439), (1181, 15884), (1444, 12991), (2362, 7942), (3971, 4724)]