18977162

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21713}}^1$

素因数の和:21757

約数の個数: 16

約数和(自身を含む): 31268160

約数和(自身を除く): 12290998

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21713, 43426, 412547, 499399, 825094, 998798, 9488581, 18977162]

約数ペア:

[(1, 18977162), (2, 9488581), (19, 998798), (23, 825094), (38, 499399), (46, 412547), (437, 43426), (874, 21713)]