19938594

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2389}}^1$

素因数の和:2514

約数の個数: 32

約数和(自身を含む): 43364160

約数和(自身を除く): 23425566

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2389, 2782, 4173, 4778, 7167, 8346, 14334, 31057, 62114, 93171, 186342, 255623, 511246, 766869, 1533738, 3323099, 6646198, 9969297, 19938594]

約数ペア:

[(1, 19938594), (2, 9969297), (3, 6646198), (6, 3323099), (13, 1533738), (26, 766869), (39, 511246), (78, 255623), (107, 186342), (214, 93171), (321, 62114), (642, 31057), (1391, 14334), (2389, 8346), (2782, 7167), (4173, 4778)]