18490192

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8689}}^1$

素因数の和:8723

約数の個数: 40

約数和(自身を含む): 43102400

約数和(自身を除く): 24612208

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8689, 17378, 34756, 60823, 69512, 121646, 139024, 165091, 243292, 330182, 486584, 660364, 973168, 1155637, 1320728, 2311274, 2641456, 4622548, 9245096, 18490192]

約数ペア:

[(1, 18490192), (2, 9245096), (4, 4622548), (7, 2641456), (8, 2311274), (14, 1320728), (16, 1155637), (19, 973168), (28, 660364), (38, 486584), (56, 330182), (76, 243292), (112, 165091), (133, 139024), (152, 121646), (266, 69512), (304, 60823), (532, 34756), (1064, 17378), (2128, 8689)]