19008522988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{145463}}^1$

素因数の和:145846

約数の個数: 48

約数和(自身を含む): 41055759360

約数和(自身を除く): 22047236372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 359, 364, 718, 1436, 2513, 4667, 5026, 9334, 10052, 18668, 32669, 65338, 130676, 145463, 290926, 581852, 1018241, 1891019, 2036482, 3782038, 4072964, 7564076, 13237133, 26474266, 52221217, 52948532, 104442434, 208884868, 365548519, 678875821, 731097038, 1357751642, 1462194076, 2715503284, 4752130747, 9504261494, 19008522988]

約数ペア:

[(1, 19008522988), (2, 9504261494), (4, 4752130747), (7, 2715503284), (13, 1462194076), (14, 1357751642), (26, 731097038), (28, 678875821), (52, 365548519), (91, 208884868), (182, 104442434), (359, 52948532), (364, 52221217), (718, 26474266), (1436, 13237133), (2513, 7564076), (4667, 4072964), (5026, 3782038), (9334, 2036482), (10052, 1891019), (18668, 1018241), (32669, 581852), (65338, 290926), (130676, 145463)]