18455978

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1109}}^1$

素因数の和:1321

約数の個数: 16

約数和(自身を含む): 28411560

約数和(自身を除く): 9955582

約数列:

[1, 2, 53, 106, 157, 314, 1109, 2218, 8321, 16642, 58777, 117554, 174113, 348226, 9227989, 18455978]

約数ペア:

[(1, 18455978), (2, 9227989), (53, 348226), (106, 174113), (157, 117554), (314, 58777), (1109, 16642), (2218, 8321)]