18923135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 29555712

約数和(自身を除く): 10632577

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2137, 8855, 10685, 14959, 23507, 49151, 74795, 117535, 164549, 245755, 344057, 540661, 822745, 1720285, 2703305, 3784627, 18923135]

約数ペア:

[(1, 18923135), (5, 3784627), (7, 2703305), (11, 1720285), (23, 822745), (35, 540661), (55, 344057), (77, 245755), (115, 164549), (161, 117535), (253, 74795), (385, 49151), (805, 23507), (1265, 14959), (1771, 10685), (2137, 8855)]