19891233

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 30607200

約数和(自身を除く): 10715967

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1307, 1691, 3921, 5073, 11763, 15219, 24833, 74499, 116323, 223497, 348969, 1046907, 2210137, 6630411, 19891233]

約数ペア:

[(1, 19891233), (3, 6630411), (9, 2210137), (19, 1046907), (57, 348969), (89, 223497), (171, 116323), (267, 74499), (801, 24833), (1307, 15219), (1691, 11763), (3921, 5073)]