19001554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 35118720

約数和(自身を除く): 16117166

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 79, 143, 158, 286, 319, 377, 638, 754, 841, 869, 1027, 1682, 1738, 2054, 2291, 4147, 4582, 8294, 9251, 10933, 11297, 18502, 21866, 22594, 25201, 29783, 50402, 59566, 66439, 120263, 132878, 240526, 327613, 655226, 730829, 863707, 1461658, 1727414, 9500777, 19001554]

約数ペア:

[(1, 19001554), (2, 9500777), (11, 1727414), (13, 1461658), (22, 863707), (26, 730829), (29, 655226), (58, 327613), (79, 240526), (143, 132878), (158, 120263), (286, 66439), (319, 59566), (377, 50402), (638, 29783), (754, 25201), (841, 22594), (869, 21866), (1027, 18502), (1682, 11297), (1738, 10933), (2054, 9251), (2291, 8294), (4147, 4582)]