201819938

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{2011}}^1$

素因数の和:2190

約数の個数: 24

約数和(自身を含む): 321960240

約数和(自身を除く): 120140302

約数列:

[1, 2, 19, 38, 139, 278, 361, 722, 2011, 2641, 4022, 5282, 38209, 50179, 76418, 100358, 279529, 559058, 725971, 1451942, 5311051, 10622102, 100909969, 201819938]

約数ペア:

[(1, 201819938), (2, 100909969), (19, 10622102), (38, 5311051), (139, 1451942), (278, 725971), (361, 559058), (722, 279529), (2011, 100358), (2641, 76418), (4022, 50179), (5282, 38209)]