18781012

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 33780096

約数和(自身を除く): 14999084

約数列:

[1, 2, 4, 47, 94, 188, 283, 353, 566, 706, 1132, 1412, 13301, 16591, 26602, 33182, 53204, 66364, 99899, 199798, 399596, 4695253, 9390506, 18781012]

約数ペア:

[(1, 18781012), (2, 9390506), (4, 4695253), (47, 399596), (94, 199798), (188, 99899), (283, 66364), (353, 53204), (566, 33182), (706, 26602), (1132, 16591), (1412, 13301)]