18725994

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 46612800

約数和(自身を除く): 27886806

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 331, 449, 662, 898, 993, 1347, 1986, 2317, 2694, 2979, 3143, 4041, 4634, 5958, 6286, 6951, 8082, 9429, 13902, 18858, 20853, 28287, 41706, 56574, 148619, 297238, 445857, 891714, 1040333, 1337571, 2080666, 2675142, 3120999, 6241998, 9362997, 18725994]

約数ペア:

[(1, 18725994), (2, 9362997), (3, 6241998), (6, 3120999), (7, 2675142), (9, 2080666), (14, 1337571), (18, 1040333), (21, 891714), (42, 445857), (63, 297238), (126, 148619), (331, 56574), (449, 41706), (662, 28287), (898, 20853), (993, 18858), (1347, 13902), (1986, 9429), (2317, 8082), (2694, 6951), (2979, 6286), (3143, 5958), (4041, 4634)]