18091612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 21744548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 151, 154, 302, 308, 389, 604, 778, 1057, 1556, 1661, 2114, 2723, 3322, 4228, 4279, 5446, 6644, 8558, 10892, 11627, 17116, 23254, 29953, 46508, 58739, 59906, 117478, 119812, 234956, 411173, 646129, 822346, 1292258, 1644692, 2584516, 4522903, 9045806, 18091612]

約数ペア:

[(1, 18091612), (2, 9045806), (4, 4522903), (7, 2584516), (11, 1644692), (14, 1292258), (22, 822346), (28, 646129), (44, 411173), (77, 234956), (151, 119812), (154, 117478), (302, 59906), (308, 58739), (389, 46508), (604, 29953), (778, 23254), (1057, 17116), (1556, 11627), (1661, 10892), (2114, 8558), (2723, 6644), (3322, 5446), (4228, 4279)]