19999974

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 41199840

約数和(自身を除く): 21199866

約数列:

[1, 2, 3, 6, 53, 106, 109, 159, 218, 318, 327, 577, 654, 1154, 1731, 3462, 5777, 11554, 17331, 30581, 34662, 61162, 62893, 91743, 125786, 183486, 188679, 377358, 3333329, 6666658, 9999987, 19999974]

約数ペア:

[(1, 19999974), (2, 9999987), (3, 6666658), (6, 3333329), (53, 377358), (106, 188679), (109, 183486), (159, 125786), (218, 91743), (318, 62893), (327, 61162), (577, 34662), (654, 30581), (1154, 17331), (1731, 11554), (3462, 5777)]