19861326

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 24617394

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 109, 159, 191, 218, 318, 327, 382, 477, 573, 654, 954, 981, 1146, 1719, 1962, 3438, 5777, 10123, 11554, 17331, 20246, 20819, 30369, 34662, 41638, 51993, 60738, 62457, 91107, 103986, 124914, 182214, 187371, 374742, 1103407, 2206814, 3310221, 6620442, 9930663, 19861326]

約数ペア:

[(1, 19861326), (2, 9930663), (3, 6620442), (6, 3310221), (9, 2206814), (18, 1103407), (53, 374742), (106, 187371), (109, 182214), (159, 124914), (191, 103986), (218, 91107), (318, 62457), (327, 60738), (382, 51993), (477, 41638), (573, 34662), (654, 30369), (954, 20819), (981, 20246), (1146, 17331), (1719, 11554), (1962, 10123), (3438, 5777)]