18645135

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12458865

約数列:

[1, 3, 5, 15, 47, 53, 141, 159, 235, 265, 499, 705, 795, 1497, 2491, 2495, 7473, 7485, 12455, 23453, 26447, 37365, 70359, 79341, 117265, 132235, 351795, 396705, 1243009, 3729027, 6215045, 18645135]

約数ペア:

[(1, 18645135), (3, 6215045), (5, 3729027), (15, 1243009), (47, 396705), (53, 351795), (141, 132235), (159, 117265), (235, 79341), (265, 70359), (499, 37365), (705, 26447), (795, 23453), (1497, 12455), (2491, 7485), (2495, 7473)]