18115636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5347}}^1$

素因数の和:5380

約数の個数: 36

約数和(自身を含む): 39831904

約数和(自身を除く): 21716268

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5347, 10694, 21388, 37429, 58817, 74858, 117634, 149716, 235268, 411719, 646987, 823438, 1293974, 1646876, 2587948, 4528909, 9057818, 18115636]

約数ペア:

[(1, 18115636), (2, 9057818), (4, 4528909), (7, 2587948), (11, 1646876), (14, 1293974), (22, 823438), (28, 646987), (44, 411719), (77, 235268), (121, 149716), (154, 117634), (242, 74858), (308, 58817), (484, 37429), (847, 21388), (1694, 10694), (3388, 5347)]