19729856

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 41050464

約数和(自身を除く): 21320608

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 73, 82, 103, 146, 164, 206, 292, 328, 412, 584, 656, 824, 1168, 1312, 1648, 2336, 2624, 2993, 3296, 4223, 4672, 5986, 6592, 7519, 8446, 11972, 15038, 16892, 23944, 30076, 33784, 47888, 60152, 67568, 95776, 120304, 135136, 191552, 240608, 270272, 308279, 481216, 616558, 1233116, 2466232, 4932464, 9864928, 19729856]

約数ペア:

[(1, 19729856), (2, 9864928), (4, 4932464), (8, 2466232), (16, 1233116), (32, 616558), (41, 481216), (64, 308279), (73, 270272), (82, 240608), (103, 191552), (146, 135136), (164, 120304), (206, 95776), (292, 67568), (328, 60152), (412, 47888), (584, 33784), (656, 30076), (824, 23944), (1168, 16892), (1312, 15038), (1648, 11972), (2336, 8446), (2624, 7519), (2993, 6592), (3296, 5986), (4223, 4672)]