18183925870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{86143}}^1$

素因数の和:86281

約数の個数: 64

約数和(自身を含む): 37958492160

約数和(自身を除く): 19774566290

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 101, 110, 190, 202, 209, 418, 505, 1010, 1045, 1111, 1919, 2090, 2222, 3838, 5555, 9595, 11110, 19190, 21109, 42218, 86143, 105545, 172286, 211090, 430715, 861430, 947573, 1636717, 1895146, 3273434, 4737865, 8183585, 8700443, 9475730, 16367170, 17400886, 18003887, 36007774, 43502215, 87004430, 90019435, 95704873, 165308417, 180038870, 191409746, 330616834, 478524365, 826542085, 957048730, 1653084170, 1818392587, 3636785174, 9091962935, 18183925870]

約数ペア:

[(1, 18183925870), (2, 9091962935), (5, 3636785174), (10, 1818392587), (11, 1653084170), (19, 957048730), (22, 826542085), (38, 478524365), (55, 330616834), (95, 191409746), (101, 180038870), (110, 165308417), (190, 95704873), (202, 90019435), (209, 87004430), (418, 43502215), (505, 36007774), (1010, 18003887), (1045, 17400886), (1111, 16367170), (1919, 9475730), (2090, 8700443), (2222, 8183585), (3838, 4737865), (5555, 3273434), (9595, 1895146), (11110, 1636717), (19190, 947573), (21109, 861430), (42218, 430715), (86143, 211090), (105545, 172286)]