19743878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 19447162

約数列:

[1, 2, 7, 11, 14, 22, 41, 53, 59, 77, 82, 106, 118, 154, 287, 371, 413, 451, 574, 583, 649, 742, 826, 902, 1166, 1298, 2173, 2419, 3127, 3157, 4081, 4346, 4543, 4838, 6254, 6314, 8162, 9086, 15211, 16933, 21889, 23903, 26609, 30422, 33866, 34397, 43778, 47806, 53218, 68794, 128207, 167321, 186263, 240779, 256414, 334642, 372526, 481558, 897449, 1410277, 1794898, 2820554, 9871939, 19743878]

約数ペア:

[(1, 19743878), (2, 9871939), (7, 2820554), (11, 1794898), (14, 1410277), (22, 897449), (41, 481558), (53, 372526), (59, 334642), (77, 256414), (82, 240779), (106, 186263), (118, 167321), (154, 128207), (287, 68794), (371, 53218), (413, 47806), (451, 43778), (574, 34397), (583, 33866), (649, 30422), (742, 26609), (826, 23903), (902, 21889), (1166, 16933), (1298, 15211), (2173, 9086), (2419, 8162), (3127, 6314), (3157, 6254), (4081, 4838), (4346, 4543)]