18505260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11423}}^1$

素因数の和:11444

約数の個数: 60

約数和(自身を含む): 58056768

約数和(自身を除く): 39551508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11423, 22846, 34269, 45692, 57115, 68538, 102807, 114230, 137076, 171345, 205614, 228460, 308421, 342690, 411228, 514035, 616842, 685380, 925263, 1028070, 1233684, 1542105, 1850526, 2056140, 3084210, 3701052, 4626315, 6168420, 9252630, 18505260]

約数ペア:

[(1, 18505260), (2, 9252630), (3, 6168420), (4, 4626315), (5, 3701052), (6, 3084210), (9, 2056140), (10, 1850526), (12, 1542105), (15, 1233684), (18, 1028070), (20, 925263), (27, 685380), (30, 616842), (36, 514035), (45, 411228), (54, 342690), (60, 308421), (81, 228460), (90, 205614), (108, 171345), (135, 137076), (162, 114230), (180, 102807), (270, 68538), (324, 57115), (405, 45692), (540, 34269), (810, 22846), (1620, 11423)]