19164370

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 35555760

約数和(自身を除く): 16391390

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 353, 445, 610, 706, 890, 1765, 3530, 5429, 10858, 21533, 27145, 31417, 43066, 54290, 62834, 107665, 157085, 215330, 314170, 1916437, 3832874, 9582185, 19164370]

約数ペア:

[(1, 19164370), (2, 9582185), (5, 3832874), (10, 1916437), (61, 314170), (89, 215330), (122, 157085), (178, 107665), (305, 62834), (353, 54290), (445, 43066), (610, 31417), (706, 27145), (890, 21533), (1765, 10858), (3530, 5429)]