18541360

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1021}}^1$

素因数の和:1261

約数の個数: 40

約数和(自身を含む): 43340976

約数和(自身を除く): 24799616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1021, 1135, 1816, 2042, 2270, 3632, 4084, 4540, 5105, 8168, 9080, 10210, 16336, 18160, 20420, 40840, 81680, 231767, 463534, 927068, 1158835, 1854136, 2317670, 3708272, 4635340, 9270680, 18541360]

約数ペア:

[(1, 18541360), (2, 9270680), (4, 4635340), (5, 3708272), (8, 2317670), (10, 1854136), (16, 1158835), (20, 927068), (40, 463534), (80, 231767), (227, 81680), (454, 40840), (908, 20420), (1021, 18160), (1135, 16336), (1816, 10210), (2042, 9080), (2270, 8168), (3632, 5105), (4084, 4540)]