18795807

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 56

約数和(自身を含む): 31478400

約数和(自身を除く): 12682593

約数列:

[1, 3, 9, 19, 23, 27, 57, 59, 69, 81, 171, 177, 207, 243, 437, 513, 531, 621, 729, 1121, 1311, 1357, 1539, 1593, 1863, 3363, 3933, 4071, 4617, 4779, 5589, 10089, 11799, 12213, 13851, 14337, 16767, 25783, 30267, 35397, 36639, 43011, 77349, 90801, 106191, 109917, 232047, 272403, 318573, 329751, 696141, 817209, 989253, 2088423, 6265269, 18795807]

約数ペア:

[(1, 18795807), (3, 6265269), (9, 2088423), (19, 989253), (23, 817209), (27, 696141), (57, 329751), (59, 318573), (69, 272403), (81, 232047), (171, 109917), (177, 106191), (207, 90801), (243, 77349), (437, 43011), (513, 36639), (531, 35397), (621, 30267), (729, 25783), (1121, 16767), (1311, 14337), (1357, 13851), (1539, 12213), (1593, 11799), (1863, 10089), (3363, 5589), (3933, 4779), (4071, 4617)]