1890028

素因数分解:

$2^2\times 7^2\times {\mathrm{9643}}^1$

素因数の和:9661

約数の個数: 18

約数和(自身を含む): 3847956

約数和(自身を除く): 1957928

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 9643, 19286, 38572, 67501, 135002, 270004, 472507, 945014, 1890028]

約数ペア:

[(1, 1890028), (2, 945014), (4, 472507), (7, 270004), (14, 135002), (28, 67501), (49, 38572), (98, 19286), (196, 9643)]