19392016

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 60

約数和(自身を含む): 44439616

約数和(自身を除く): 25047600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 103, 112, 164, 206, 287, 328, 412, 574, 656, 721, 824, 1148, 1442, 1648, 1681, 2296, 2884, 3362, 4223, 4592, 5768, 6724, 8446, 11536, 11767, 13448, 16892, 23534, 26896, 29561, 33784, 47068, 59122, 67568, 94136, 118244, 173143, 188272, 236488, 346286, 472976, 692572, 1212001, 1385144, 2424002, 2770288, 4848004, 9696008, 19392016]

約数ペア:

[(1, 19392016), (2, 9696008), (4, 4848004), (7, 2770288), (8, 2424002), (14, 1385144), (16, 1212001), (28, 692572), (41, 472976), (56, 346286), (82, 236488), (103, 188272), (112, 173143), (164, 118244), (206, 94136), (287, 67568), (328, 59122), (412, 47068), (574, 33784), (656, 29561), (721, 26896), (824, 23534), (1148, 16892), (1442, 13448), (1648, 11767), (1681, 11536), (2296, 8446), (2884, 6724), (3362, 5768), (4223, 4592)]