18889710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 52157952

約数和(自身を除く): 33268242

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 293, 307, 586, 614, 879, 921, 1465, 1535, 1758, 1842, 2051, 2149, 2930, 3070, 4102, 4298, 4395, 4605, 6153, 6447, 8790, 9210, 10255, 10745, 12306, 12894, 20510, 21490, 30765, 32235, 61530, 64470, 89951, 179902, 269853, 449755, 539706, 629657, 899510, 1259314, 1349265, 1888971, 2698530, 3148285, 3777942, 6296570, 9444855, 18889710]

約数ペア:

[(1, 18889710), (2, 9444855), (3, 6296570), (5, 3777942), (6, 3148285), (7, 2698530), (10, 1888971), (14, 1349265), (15, 1259314), (21, 899510), (30, 629657), (35, 539706), (42, 449755), (70, 269853), (105, 179902), (210, 89951), (293, 64470), (307, 61530), (586, 32235), (614, 30765), (879, 21490), (921, 20510), (1465, 12894), (1535, 12306), (1758, 10745), (1842, 10255), (2051, 9210), (2149, 8790), (2930, 6447), (3070, 6153), (4102, 4605), (4298, 4395)]