17989902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2213

約数の個数: 48

約数和(自身を含む): 45232512

約数和(自身を除く): 27242610

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 67, 126, 134, 201, 402, 469, 603, 938, 1206, 1407, 2131, 2814, 4221, 4262, 6393, 8442, 12786, 14917, 19179, 29834, 38358, 44751, 89502, 134253, 142777, 268506, 285554, 428331, 856662, 999439, 1284993, 1998878, 2569986, 2998317, 5996634, 8994951, 17989902]

約数ペア:

[(1, 17989902), (2, 8994951), (3, 5996634), (6, 2998317), (7, 2569986), (9, 1998878), (14, 1284993), (18, 999439), (21, 856662), (42, 428331), (63, 285554), (67, 268506), (126, 142777), (134, 134253), (201, 89502), (402, 44751), (469, 38358), (603, 29834), (938, 19179), (1206, 14917), (1407, 12786), (2131, 8442), (2814, 6393), (4221, 4262)]