19874228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23773}}^1$

素因数の和:23807

約数の個数: 24

約数和(自身を含む): 39940320

約数和(自身を除く): 20066092

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23773, 47546, 95092, 261503, 451687, 523006, 903374, 1046012, 1806748, 4968557, 9937114, 19874228]

約数ペア:

[(1, 19874228), (2, 9937114), (4, 4968557), (11, 1806748), (19, 1046012), (22, 903374), (38, 523006), (44, 451687), (76, 261503), (209, 95092), (418, 47546), (836, 23773)]