18545642

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2423}}^1$

素因数の和:2557

約数の個数: 16

約数和(自身を含む): 28797120

約数和(自身を除く): 10251478

約数列:

[1, 2, 43, 86, 89, 178, 2423, 3827, 4846, 7654, 104189, 208378, 215647, 431294, 9272821, 18545642]

約数ペア:

[(1, 18545642), (2, 9272821), (43, 431294), (86, 215647), (89, 208378), (178, 104189), (2423, 7654), (3827, 4846)]