18784380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{929}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 52809120

約数和(自身を除く): 34024740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 929, 1011, 1348, 1685, 1858, 2022, 2787, 3370, 3716, 4044, 4645, 5055, 5574, 6740, 9290, 10110, 11148, 13935, 18580, 20220, 27870, 55740, 313073, 626146, 939219, 1252292, 1565365, 1878438, 3130730, 3756876, 4696095, 6261460, 9392190, 18784380]

約数ペア:

[(1, 18784380), (2, 9392190), (3, 6261460), (4, 4696095), (5, 3756876), (6, 3130730), (10, 1878438), (12, 1565365), (15, 1252292), (20, 939219), (30, 626146), (60, 313073), (337, 55740), (674, 27870), (929, 20220), (1011, 18580), (1348, 13935), (1685, 11148), (1858, 10110), (2022, 9290), (2787, 6740), (3370, 5574), (3716, 5055), (4044, 4645)]