19517498

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9749}}^1$

素因数の和:9782

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 19794502

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 9749, 19498, 68243, 107239, 126737, 136486, 214478, 253474, 750673, 887159, 1394107, 1501346, 1774318, 2788214, 9758749, 19517498]

約数ペア:

[(1, 19517498), (2, 9758749), (7, 2788214), (11, 1774318), (13, 1501346), (14, 1394107), (22, 887159), (26, 750673), (77, 253474), (91, 214478), (143, 136486), (154, 126737), (182, 107239), (286, 68243), (1001, 19498), (2002, 9749)]