18916166

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2377}}^1$

素因数の和:2575

約数の個数: 16

約数和(自身を含む): 29791584

約数和(自身を除く): 10875418

約数列:

[1, 2, 23, 46, 173, 346, 2377, 3979, 4754, 7958, 54671, 109342, 411221, 822442, 9458083, 18916166]

約数ペア:

[(1, 18916166), (2, 9458083), (23, 822442), (46, 411221), (173, 109342), (346, 54671), (2377, 7958), (3979, 4754)]