18997374

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3943}}^1$

素因数の和:4032

約数の個数: 32

約数和(自身を含む): 42027264

約数和(自身を除く): 23029890

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 73, 146, 219, 438, 803, 1606, 2409, 3943, 4818, 7886, 11829, 23658, 43373, 86746, 130119, 260238, 287839, 575678, 863517, 1727034, 3166229, 6332458, 9498687, 18997374]

約数ペア:

[(1, 18997374), (2, 9498687), (3, 6332458), (6, 3166229), (11, 1727034), (22, 863517), (33, 575678), (66, 287839), (73, 260238), (146, 130119), (219, 86746), (438, 43373), (803, 23658), (1606, 11829), (2409, 7886), (3943, 4818)]