18386972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2017}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 33563376

約数和(自身を除く): 15176404

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2017, 2279, 4034, 4558, 8068, 9116, 86731, 106901, 173462, 213802, 346924, 427604, 4596743, 9193486, 18386972]

約数ペア:

[(1, 18386972), (2, 9193486), (4, 4596743), (43, 427604), (53, 346924), (86, 213802), (106, 173462), (172, 106901), (212, 86731), (2017, 9116), (2279, 8068), (4034, 4558)]