18520638

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 19581762

約数列:

[1, 2, 3, 6, 53, 106, 139, 159, 278, 318, 417, 419, 834, 838, 1257, 2514, 7367, 14734, 22101, 22207, 44202, 44414, 58241, 66621, 116482, 133242, 174723, 349446, 3086773, 6173546, 9260319, 18520638]

約数ペア:

[(1, 18520638), (2, 9260319), (3, 6173546), (6, 3086773), (53, 349446), (106, 174723), (139, 133242), (159, 116482), (278, 66621), (318, 58241), (417, 44414), (419, 44202), (834, 22207), (838, 22101), (1257, 14734), (2514, 7367)]