18165140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6829}}^1$

素因数の和:6864

約数の個数: 48

約数和(自身を含む): 45897600

約数和(自身を除く): 27732460

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, 6829, 13658, 27316, 34145, 47803, 68290, 95606, 129751, 136580, 191212, 239015, 259502, 478030, 519004, 648755, 908257, 956060, 1297510, 1816514, 2595020, 3633028, 4541285, 9082570, 18165140]

約数ペア:

[(1, 18165140), (2, 9082570), (4, 4541285), (5, 3633028), (7, 2595020), (10, 1816514), (14, 1297510), (19, 956060), (20, 908257), (28, 648755), (35, 519004), (38, 478030), (70, 259502), (76, 239015), (95, 191212), (133, 136580), (140, 129751), (190, 95606), (266, 68290), (380, 47803), (532, 34145), (665, 27316), (1330, 13658), (2660, 6829)]