18870152

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1597}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 40653120

約数和(自身を除く): 21782968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1597, 1688, 2954, 3194, 5908, 6388, 11179, 11816, 12776, 22358, 44716, 89432, 336967, 673934, 1347868, 2358769, 2695736, 4717538, 9435076, 18870152]

約数ペア:

[(1, 18870152), (2, 9435076), (4, 4717538), (7, 2695736), (8, 2358769), (14, 1347868), (28, 673934), (56, 336967), (211, 89432), (422, 44716), (844, 22358), (1477, 12776), (1597, 11816), (1688, 11179), (2954, 6388), (3194, 5908)]