18622620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 56840784

約数和(自身を除く): 38218164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 337, 614, 674, 921, 1011, 1228, 1348, 1535, 1685, 1842, 2022, 2763, 3033, 3070, 3370, 3684, 4044, 4605, 5055, 5526, 6066, 6140, 6740, 9210, 10110, 11052, 12132, 13815, 15165, 18420, 20220, 27630, 30330, 55260, 60660, 103459, 206918, 310377, 413836, 517295, 620754, 931131, 1034590, 1241508, 1551885, 1862262, 2069180, 3103770, 3724524, 4655655, 6207540, 9311310, 18622620]

約数ペア:

[(1, 18622620), (2, 9311310), (3, 6207540), (4, 4655655), (5, 3724524), (6, 3103770), (9, 2069180), (10, 1862262), (12, 1551885), (15, 1241508), (18, 1034590), (20, 931131), (30, 620754), (36, 517295), (45, 413836), (60, 310377), (90, 206918), (180, 103459), (307, 60660), (337, 55260), (614, 30330), (674, 27630), (921, 20220), (1011, 18420), (1228, 15165), (1348, 13815), (1535, 12132), (1685, 11052), (1842, 10110), (2022, 9210), (2763, 6740), (3033, 6140), (3070, 6066), (3370, 5526), (3684, 5055), (4044, 4605)]