19087390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1061}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 39455424

約数和(自身を除く): 20368034

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1061, 1285, 1799, 2122, 2570, 3598, 5305, 7427, 8995, 10610, 14854, 17990, 37135, 74270, 272677, 545354, 1363385, 1908739, 2726770, 3817478, 9543695, 19087390]

約数ペア:

[(1, 19087390), (2, 9543695), (5, 3817478), (7, 2726770), (10, 1908739), (14, 1363385), (35, 545354), (70, 272677), (257, 74270), (514, 37135), (1061, 17990), (1285, 14854), (1799, 10610), (2122, 8995), (2570, 7427), (3598, 5305)]