19156690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1297}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 39625344

約数和(自身を除く): 20468654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1297, 1477, 2110, 2594, 2954, 6485, 7385, 9079, 12970, 14770, 18158, 45395, 90790, 273667, 547334, 1368335, 1915669, 2736670, 3831338, 9578345, 19156690]

約数ペア:

[(1, 19156690), (2, 9578345), (5, 3831338), (7, 2736670), (10, 1915669), (14, 1368335), (35, 547334), (70, 273667), (211, 90790), (422, 45395), (1055, 18158), (1297, 14770), (1477, 12970), (2110, 9079), (2594, 7385), (2954, 6485)]