18221290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 16252310

約数列:

[1, 2, 5, 10, 23, 46, 115, 227, 230, 349, 454, 698, 1135, 1745, 2270, 3490, 5221, 8027, 10442, 16054, 26105, 40135, 52210, 79223, 80270, 158446, 396115, 792230, 1822129, 3644258, 9110645, 18221290]

約数ペア:

[(1, 18221290), (2, 9110645), (5, 3644258), (10, 1822129), (23, 792230), (46, 396115), (115, 158446), (227, 80270), (230, 79223), (349, 52210), (454, 40135), (698, 26105), (1135, 16054), (1745, 10442), (2270, 8027), (3490, 5221)]