18573741

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 29421652

約数和(自身を除く): 10847911

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 193, 289, 333, 579, 629, 867, 1737, 1887, 2601, 3281, 5661, 7141, 9843, 10693, 21423, 29529, 32079, 55777, 64269, 96237, 121397, 167331, 364191, 501993, 1092573, 2063749, 6191247, 18573741]

約数ペア:

[(1, 18573741), (3, 6191247), (9, 2063749), (17, 1092573), (37, 501993), (51, 364191), (111, 167331), (153, 121397), (193, 96237), (289, 64269), (333, 55777), (579, 32079), (629, 29529), (867, 21423), (1737, 10693), (1887, 9843), (2601, 7141), (3281, 5661)]