19756254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2719}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 45434880

約数和(自身を除く): 25678626

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2719, 3633, 5438, 7266, 8157, 16314, 19033, 38066, 57099, 114198, 470387, 940774, 1411161, 2822322, 3292709, 6585418, 9878127, 19756254]

約数ペア:

[(1, 19756254), (2, 9878127), (3, 6585418), (6, 3292709), (7, 2822322), (14, 1411161), (21, 940774), (42, 470387), (173, 114198), (346, 57099), (519, 38066), (1038, 19033), (1211, 16314), (2422, 8157), (2719, 7266), (3633, 5438)]