19408431695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{21937}}^1$

素因数の和:22167

約数の個数: 32

約数和(自身を含む): 25061971200

約数和(自身を除く): 5653539505

約数列:

[1, 5, 19, 67, 95, 139, 335, 695, 1273, 2641, 6365, 9313, 13205, 21937, 46565, 109685, 176947, 416803, 884735, 1469779, 2084015, 3049243, 7348895, 15246215, 27925801, 57935617, 139629005, 204299281, 289678085, 1021496405, 3881686339, 19408431695]

約数ペア:

[(1, 19408431695), (5, 3881686339), (19, 1021496405), (67, 289678085), (95, 204299281), (139, 139629005), (335, 57935617), (695, 27925801), (1273, 15246215), (2641, 7348895), (6365, 3049243), (9313, 2084015), (13205, 1469779), (21937, 884735), (46565, 416803), (109685, 176947)]