19500318

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3313}}^1$

素因数の和:3433

約数の個数: 32

約数和(自身を含む): 43744800

約数和(自身を除く): 24244482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3313, 5886, 6626, 9939, 19878, 29817, 59634, 89451, 178902, 361117, 722234, 1083351, 2166702, 3250053, 6500106, 9750159, 19500318]

約数ペア:

[(1, 19500318), (2, 9750159), (3, 6500106), (6, 3250053), (9, 2166702), (18, 1083351), (27, 722234), (54, 361117), (109, 178902), (218, 89451), (327, 59634), (654, 29817), (981, 19878), (1962, 9939), (2943, 6626), (3313, 5886)]