12897428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 23896320

約数和(自身を除く): 10998892

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 761, 892, 1522, 3044, 4237, 8474, 14459, 16948, 28918, 57836, 169703, 339406, 678812, 3224357, 6448714, 12897428]

約数ペア:

[(1, 12897428), (2, 6448714), (4, 3224357), (19, 678812), (38, 339406), (76, 169703), (223, 57836), (446, 28918), (761, 16948), (892, 14459), (1522, 8474), (3044, 4237)]