18032140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6779}}^1$

素因数の和:6814

約数の個数: 48

約数和(自身を含む): 45561600

約数和(自身を除く): 27529460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6779, 13558, 27116, 33895, 47453, 67790, 94906, 128801, 135580, 189812, 237265, 257602, 474530, 515204, 644005, 901607, 949060, 1288010, 1803214, 2576020, 3606428, 4508035, 9016070, 18032140]

約数ペア:

[(1, 18032140), (2, 9016070), (4, 4508035), (5, 3606428), (7, 2576020), (10, 1803214), (14, 1288010), (19, 949060), (20, 901607), (28, 644005), (35, 515204), (38, 474530), (70, 257602), (76, 237265), (95, 189812), (133, 135580), (140, 128801), (190, 94906), (266, 67790), (380, 47453), (532, 33895), (665, 27116), (1330, 13558), (2660, 6779)]